HomeMy WebLinkAboutRes-2021-066BOARD OF COUNTY COMMISSIONERS
COUNTY OF KITTITAS
STATE OF WASHINGTON
RESoLUTToN No. zozt - O lo Lp
ADOPTING THE KITTITAS COUNTY ROAD SAFETY PLAN 202I-2023
WHEREAS: In accordance with Washington State Department of Transportation's
(WSDOT) 2021Federal Highway Safety Improvement Program (HSIP)
County Road Safety Program call for projects, the Transportation Planner
and County Engineer have prepared a Kittitas County Road Safety Plan
2021-2023 updating the plan prepared in20I9; and
WHEREAS: The Kittitas County Road Safety Plan202l-2023 identifies prioritized
locations for low cost, beneficial, county wide safety improvements based
upon crash data, roadway investigations, engineering judgement, and risk-
based analysis as set forth in WSDOT's HSIP call for projects guidance;
and
WHEREAS: The deadline for County grant submittal is April 30, 2021 andan adopted
plan is required supporting grant submittal;
NOW, THEREFORE BE IT RESOLVED that the Board of County Commissioners, in
the best interest of the public, does hereby adopt the Kittitas County Road
Safety Plan202l-2023, hereto attached, as now submitted by the Kittitas
County Director of Public Works, Transportation Planner and County
Engineer.
DATED on this 20th day of April 202I, at Ellensburg, Washington.
BOARD OF COUNTY
COMMISSIONERS
KITTITAS WASHINGTON
Chairman
Board- Julie Kjorsvik
A
//lltilll
Vice-Chairman
tr Deputy Clerk of the Board- Mandy Buchholz
Cory Wright, Commissioner
Kittitas County
Road Safety lmprovement Plan 2021
April20,2021
Kittitas County
Public Works Department
411 North Ruby Street, Suite 1
Ellensburg, WA 98926
Contents
Executive Summary,,,..,
lntroduction...
Data Analysis
Risk-Based Prioritization Methodology.
Development of Road Segment Safety lmprovements,.,..,....
Prioritized Cost-Effective Safety lmprovement Projects ,,,,,,,..,.,,,.,,,
Priority 1: Corridor and lntersection Safety lmprovements
Priority 2: Bridge Rail lmprovements - Code 3,,,,,,..,.,,,,...,..
Priority 3: Denmark Road Safety lmprovements.
Priority 4: Bridge Rail lmprovements - Code 2
Priority 5: Bridge Rail lmprovements - Code 1
Priority 6: Huntzinger Road Safety lmprovements..........
References
Appendix A: Kittitas County Collision Data, 2015-19
Appendix B: Road Segment Scoring and Project Prioritization
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5
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7
9
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2
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21
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2
Executive Summary
The Kittitas County Road Safety Plan2021is a continuation of a biennial road safety plan program created to reduce
collisions within the County road network. Following the Washington State Department of Transportation's (WSDOT)
Highway Safety lmprovement Plan (HSIP) grant application methodology for creating a prioritized road safety plan,
crash data analysis in combination with staff identification of certain roadway characteristics throughout the County
road network, a list of prioritized projects implementing various countermeasures was created, These projects were
further prioritized with engineering judgement using considerations such as estimated project cost, feasibility, and
improvement timing. Total project costs were also determined and accumulated, and if needed, broken down in
phases to be completed as funding opportunity allows,
Prioritv One - lntersection/Corridor Safetv lmprovements
No. 6 Road intersections at both Kittitas Hwy and Vantage Hwy are high frequency collision areas, Kittitas
Hwy and Vantage Hwy corridors and intersections were moved up in priority due to safety improvements
recently identified as deficient, out of date, or altogether missing throughout these corridors, Monitoring of
these conidors and intersections will continue to track the success of the recently constructed and future
countermeasures. Additional intersections have been noted countywide as needing safety implementation
or updates due to lack of countermeasures in response to accident activity.
ESTIMATED PROJECT COST. $336,600
a
a
a
Prioritv Two - Bridqe Rail-Code 3
60 bridges and/or structures with no rail or timber rail were classified as Code 3. Phases are identified by
maintenance districts. Some districts had less bridge rail to update and were then grouped with adjacent
maintenance districts, Phase breakdowns are provided in the project description with further cost estimates
by phase.
ESTIMATED PROJECT COST - $1,968,147 (Phases 1-3)
Prioritv Three - Denmark Rd,
Denmark Rd MP 0.5 to MP 4.35 has moved up in scoring prioritization. lt was noted in our previous2017
and 2019 Road Safety Plans as priority five. This roadway has five bridges/structures that have deficient or
no bridge rail. The segment scoring 100 has a curve that needs safety improvements and contains accident
history. This project would provide safety countermeasures to the entire Denmark Rd corridor.
ESTIMATED PROJECT COST -$431,498
Prioritv Four' Bridqe Rail-Code 2
Bridges and/or structures with no approaches or non-crashworthy railing were classified as Code 2. Phases
are identified by maintenance districts. Some districts had less bridge railto update and were then grouped
3
a
a
with adjacent maintenance districts. Phase breakdowns are provided in the project description with further
cost estimates by phase,
ESTIMATED PROJECT COST - $5,806,978 (Phases 1 -T)
Prioritv Five - Bridse Rail-Gode I
Bridges and/or structures with rail that does not meet current AASHTO Manual for Assessing Safety
Hardware (MASH) standards were classified as Code 1. Following the phase identification process as in
Priority Two and Priority Four, phases are by maintenance district to create more manageable projects,
Phase breakdowns are provided in the project description with further cost estimates by phase.
ESTIMATED PROJECT COST - $2,060,284 (Phases 1-3)
Prioritv Six - Huntzinser Rd.
Phases identified by milepost instead of total score because all phases are priority six, Milepost conscious
phases allow the county to continue heading south along the corridor. Phase breakdowns are provided in
the project description with further cost estimates by phase,
ESTIMATED PROJECT COST - $1,692,850
4
lntroduction
The 2021 Kittitas County Road Safety Plan is a comprehensive program of safety improvements aimed at reducing
all collisions, but specifically fatalities and serious injury accidents across the entire county road network. This safety
improvement program was developed using a strategy similar to the Washington State Strategic Highway Safety
Plan: Target Zero 2019, in which crash data is analyzed to identify accident trends and contributing factors, and then
sites within the road system are prioritized using a risk-based ranking system, Safety improvement projects are then
developed to target specific locations and systemic improvements that provide the greatest benefit to the traveling
public by preventing potentialfatal and serious injury accidents,
Due to the sporadic nature of crashes on rural county roads, it can be difficult to determine trends using past data
alone to choose locations for improvements. However, past crash data can be used to predict future crashes by
evaluating the contributing factors and targeting improvements for roads with similar characteristics. As a result,
Kittitas County has decided to utilize this strategy to allow for a proactive approach that benefits more locations
throughout the entire county road system and is more cost effective than only focusing on past crash locations.
Data Analysis
Data used for this evaluation was provided by Washington State Department of Transportation (WSDOT). The data
includes detailed information about crashes on Kittitas County roads from 2015 to 2019, including a comparison of
how Kittitas County's roads to other public roads in the state, detailed in Table 1, Although overall, fatal and serious
injury collisions occur at a similar rate to other public roads within the state, Kittitas County is committed to reducing
these types of collisions and strives to collaboratively achieve the statewide goal of zero deaths and serious injuries
on Washington's roadways by 2030. The Kittitas County Road Safety Plan focuses on identifying cost efficient safety
improvement projects that offer substantial safety benefits countywide and reduce potential fatal and serious injury
collisions along Kittitas County's roadway network.
Kiftitas County All Counties-Co.
Maintained Roads
All Public Roads
(Washington State)
Type of Collision Number
of
Crashes
Percent
of
Crashes
Number
of
Crashes
Percent
of
Crashes
Number
of
Crashes
Percent
of
Crashes
Number of Fatal Collisions 5 16.700/o 670 24.700/o 2,538 21.10%
Number of Serious lnjury Collisions 17 83.30%2,044 75.30T0 9,470 78.900/o
Number of Alcohol-Related Collisions I 37.500/o 674 24.80Y0 2,594 21.600/o
Total Number of Fatalities 5 704 2,730
Total Number of Collisions*650 73,172 588,324
Total Number of lnjuries**232 32,694 240,286
Table 1. Types of collisions, number of crashes and percent of crashes for Kiftitas County, all counties-county maintained roads,
and all public roads.
*lncludes fatal and nonJatal col
**lncludes serious and non-serious collisions
The 2015 - 2019 WSDOT provided collision data was further evaluated to determine the predominant crash types,
contributing factors, and specific locations. As shown in Table 2 below, the predominant causes of fatal and serious
injury collisions in Kittitas County are "hitting a fixed object" and "overturning," Crashes involving fixed-object hazards,
or non-traversable roadside slopes within clear zone accounted for 41.70/o of all fatal and serious injury collisions,
Additionally, 25,0% of the fatal and serious injury collisions were caused by vehicles overturning. Unprotected
roadside slopes steeper than 3Horizontal:lVertical are considered non-traversable and contribute to overturning
accidents, The predominant conditions where fatal and serious injury collisions occurred included higher speed
roadways with low lighting conditions, and where roadway curvature was a factor. This accident data seems
consistent for a county like Kittitas where most of the roadway network is rural without lighting features,
Accidents tend to be more severe when speeds are higher and where low light conditions hinder driver acuity,
especially in horizontal curves where drivers are more likely to leave the roadway. Non-intersection related collisions
accounted for 79,2o/o of the fatal and serious injury collisions, although a large proportion of total accidents (non-
injury, serious injury, and fatal) occurred at intersections and main corridors leading to potential for more serious
accidents at these locations, For the fatal and serious injury collisions accident report details please see Appendix A,
5
Table 2. Crash data for fatal and serious injury collision by jurisdiction and collision type.
201'5 through 2019 0rach Data
Fatal/Serious lnjury Collieion Types and Conditions
Collision Type
(Run-off the road)
Kitlilas.Cpanly
Number I Percentorl of
Crashes I Crashes
Nl0ptnlies-{,p.
L[ainlainsd&oads
Number
of
Crashes
Percent
of
Crashes
NlEaUictsoads
Ulashinglon-Slalel
Number
of
Crashes
Percent
of
Crashes
Hit Fixed Object - Tree/Stump Stationary
Hit Fixed Object - Roadway Ditch
Hit Fixed Object - Fence
Hit Fixed Object - Guardrail
Hit Fixed Object - Earth Bank
Hit Fixed Object - Utility Pole
Hit Fixed Object - Over Embankment
Hit Fixed Object - Culved
Hit Fixed Object - Crash Cushions
Overtum
2
1
1
1
1
I
1
I
1ffi
b
20.00%
10.00%
10.00%
10.00%
10.00%
10.00%
10.lYo
10.0%
10.0%
25.00/o
274
178
B5
t4
132
121
94
22
3
ffi@
246
23.2T0
15.10/o
7.200/0
6.30%
11.20%
10.20T0
8.0%
1.9T0
0.3%W
9.10/o
6'11
369
173
315
288
255
224
43
16@
823
18.5%
11.1T0
5.20Y0
9.50%
8.70T0
7.70o/o
6.8%
1.3T0
0.5%
6.9%
Light Condition - Dark, No Skeet Lights
Light Condition - Dusk
Light Condition - Dark, Street Lights On
Light Condition - Dawn
Non-lntersection - Not Related
8
1
0
1
,to
333%
4.20/o
0.0%
4.20/oH@
79.2Y,
755
66
91
259
@@
1,821
27.80/o
2,4T0
3.4Y0
9.5%
67.1Yo
1,896
215
374
2792
6,688
15.5Y0
1.8%
3.1Y0
23.3Y0
55.7Y0
Road Curvature - Horizontal Curve 8 33.3%1,022 37.7%2,968 24,7%
Over Centerline 2 4.9Y0 176 4.8T0 574 3.7%
Motorcycle 2 6.50/o 591 15.40/o 2,391 12.60/o
Posted Speed at 50 mph 21 77.Bo/o 872 26.2T0 1,735 10.8%
Risk-Based Prioritization Methodology
Run-off the road crashes have been identified as the predominant collision type in Kittitas County and are occurring
at a disproportionately high rate on specific corridors as compared to other public roads in the state as shown in the
crash data provided by WSDOT for 2015-2019, reflected in Table 2. As a result, this plan will focus on roadside
safety improvements to reduce the severity and number of accidents on Kittitas County roads where it is most likely
that run-off the road crashes will occur.
From a safety perspective, the ideal roadway is straight with roadsides that are flat and unobstructed by hazards.
Straight roadways eliminate the need for drivers to navigate curves, reducing the chances of running off the road.
7
Providing the recommended clear zone and roadside slopes allows drivers to safely recover control of a vehicle in
the event they do leave the roadway and helps ensure fixed-object hazards do not cause fatal or serious injury
accidents, The aforementioned roadway geometry and clear recovery area is the goal in improving roadside safety
but is often cost prohibitive due to the geography of the area and is not supported by rural character or practical
design. ln cases where it is cost prohibitive to eliminate roadway curvature and create an unobstructed traversable
roadside, alternative improvements that may reduce the severity of an accident or alert a driver to a hazard should be
considered. This safety plan focuses on roadway segments and intersections where low-cost high benefit
countermeasures and improvements can be implemented, These countermeasures and improvements may include
improved or increased pavement markings, breakaway features on posts, guardrail deployment, bridge rail retrofits,
rumble strip installation, and signing and traffic delineation upgrades, all of which may be implemented to reduce fatal
and serious injury collisions.
Based on the crash data for 2015-2019,76,2o/o percent of the total crashes involved roads with an average daily
traffic (ADT) of 175 or more and with a speed limit of 35mph of higher. ln order to have the greatest potential impact
in reducin! collisions, the county considered roads for evaluation and prioritization of safety improvements with the
followi ng characteristics :
MINIMUM CRITERIA FOR INCLUDING ROAD SEGMENTS IN SAFETY PLAN:
. Paved: Asphalt Concrete Overlay (ACP), Hot Mix Asphalt (HMA), or Bituminous Surface Treatment
(BST).. ADT of 175 or more.e Posted speeds of 35 mph or more,. Collision within segment in the past five years.
The minimum criteria include the preliminary eligibility requirements as defined by the U,S, Department of
Transportation Federal Highway Administration's Highway (FHWA) Safety lmprovement Program (HSIP) as stated
under the 2021 County Safety Program: Call for Projects solicitation for grant funding. Additional scoring criteria has
been developed by Kittitas County Public Works Staff and used consistently throughout multiple years of safety
planning to provide scoring and prioritization continuity. The additional criteria include a heavier weighted score for
segments listed in the previous County safety plan, inadequate clear zones with embankments or ditches, fixed
objects in the clear zones, roadway curvature - horizontal curve, and collision seriousness (injury, serious, or fatal),
County road segments possessing the minimum criteria characteristics, as well as the additional criteria
characteristics, were evaluated and scored by the weighted method shown in Table 3. The complete list of resulting
road segment prioritization is shown in Appendix B.
8
Table 3. Scoring criteria and weighted score values used in assessing road safety project priority for 2021. Higher scores
indicate a higher priority road segment and/or higher countermeasure needs.
ScorinE Criteria and Weiqhted Scores
Item
Number Factors and Collision Types Score
1 OVERALL CRITERIA MET:
Meets minimum criteria and was included in previous local safety plan 20
Meets minimum criteria but not included in previous local safetv plan 10
Does not meet minimum criteria and was included in previous local safety plan 5
2 lnadequate clear zone with steep embankment or ditches (no quardrail)
Over 50% of the side slopes are too steep 20
About 1 0% to 50% of side slooes too steep 10
At least one section has side slopes too steep 5
3 Fixed obiects in clear zone (fences. utilitv poles. trees. mailboxes. etc.)
Over 50% of the road has fixed obiects in clear zone 20
About 1 0% to 50% of the road has fixed obiects in clear zone 10
At least one section of the road has fixed obiects in clear zone 5
4 Roadwav Curvature - Horizontal Curve
Over 50% of the road is in a horizontal curve 20
About 10% to 50% ofthe road is in a horizontal curve 10
At least one section of the road is in a horizontal curve 5
5 ONE OR MORE FATAL OR SERIOUS INJURY COLLISION(S) - 2015 THROUGH 2019
Fatalitv (per oerson/s)50 ea
Serious lniury (per person/s)40 ea
6 INJURY (per oerson/s)15 ea.
Development of Road Segment Safety lmprovements
After roadway segments were prioritized using the risk-based scoring as described above, the results were reviewed,
and the list was shortened so the plan could focus on the segments that would see the most benefit from safety
improvements and eliminated erroneous results or locations reflecting outdated information,
Road segments with a score lower than 55 were removed from consideration in an attempt to break segments down
into higher priority rating and lower priority rating groups, Road segments that were within the scope of current
improvement projects or recently completed improvement projects were also removed, Each accident reportwas
examined for further details regarding the incident to further identify contributing factors, driver actions, alcohol or
drug influence, intersection related, and any countermeasures already in place. The list of candidate locations was
further reduced by eliminating roadway segments where accidents were alcohol or drug related with no hazard at the
site and segments where countermeasures were already in place and or where no countermeasures would have
prevented the accident. While these road segments are important to monitor, focus is given to other locations where
collisions due to deficiencies in the road structure can be addressed. The remaining roadway segments were then
evaluated for potential safety improvements and countermeasures.
9
Corridor and intersection improvements were identified as a safety need in this plan. Crash data shows a significant
number of total collisions, injury collisions (serious and non-serious), and fatal collisions along two of Kittitas County's
major roads, Kittitas Highway and Vantage Highway. These two corridors, or highways, are high ADT, arterial
collector roadways in good condition providing local resident access and freight connections. lntersections along
these highways have been identified as areas where safety improvements would make a large impact to reducing
total accidents. Proposed updated and enhanced signage along these corridors and intersections would provide a
cosleffective safety countermeasure covering a relatively large County footprint.
Additionally, the County has recognized copious amounts of inadequate bridge railing. There is a total of 269 bridge
structures within Kittitas County, many of which have insufficient existing railing or no railing at all, Since these
observed hazards have a high potential for serious injury or fatal accidents, Kittitas County has chosen a proactive
approach to include these locations in this road safety plan to prevent potential future crashes, This preventative,
systemic, risk-based approach is supported using the Federal Highway Administration (FHWA) Systematic Safety
Project Selection Tool criteria, which states that a site can be identified as a candidate for safety investment if it has
multiple risk factors but no crash history,
Finally, Kittitas County previously recognized a need to collect data to support a clear zone inventory for the entire
County road system. Future safety improvement projects will be better identified using a more thorough clear zone
inventory targeting known hazard locations, For this reason, a planning project has been identified and will be
implemented as part of this overall safety plan to collect clear zone inventory data, which will create a roadside
hazard database, and identify potentiallocations and countermeasuresforfuture road safety plans.
Prio ritized Cost- Effective Safety I m provement Projects
Road segment safety improvement identification used a combination of spot location and systematic approaches,
After improvements were identified, they were prioritized based on the potential for crash prevention and greatest
benefit, as supported by engineering judgement.
Kittitas County evaluated the scoring and road segment safety improvement results to find high risk, sizable benefit
countermeasures to group together as countywide safety projects that promptly provide the biggest benefit for the
most efficient cost, By focusing on similarities in the roads and their needs, safety improvement projects were formed
rather than road focused projects, allowing the county to better reduce the possibility of fatalities and/or serious
injuries, Locations with similar geographic vicinity, or projects with similarly proposed improvements were grouped
together to provide efficient contracting and cost effectiveness. A summary of the Safety lmprovement Projects can
be found in Table 4, followed by project details including preliminary scope, locations of the proposed work, and an
estimated cost for the improvements, Notes regarding the engineering judgment that affected project prioritization
can be found in the Executive Summary.
10
Table 4. List ol roads, characteristics, and accident severity rating system for project prioritization using criteria items and ratings from Table 3,
Road
Number Road Name BMP EMP Paved
width
Speed
Limit ADT 0verall
Criteria
lnadequate
ClearZone
Fixed
0bjects
Roadway
Curvalure
Fatal or
Serious
lnirrru
lniury Total
Score
PRIORITY
LEVEL
oAo4t KITTITAS HWY 2.36 LD4 28 50 5448 10 5 10 0 50 165 240
96S51 KITTITAS HWY LOq 3.36 28 50 1876 20 5 10 0 90 45 170
96951 KITTITAS HWY 1.52 2.36 28 50 5448 20 0 0 40 135 200
96951 KITTITAS HWY J.Jb 3.82 28 50 1876 10 5 10 0 0 45 70
94001 VANTAGE HWY 4.08 5.57 ta 50 4930 20 0 0 120 60 205
94001 VANTAGE HWY 5,57 6.56 28 50 2833 10 0 5 0 40 45 100
94001 VANTAGE HWY 2.77 4.08 28 50 5486 20 0 5 5 0 t05
94001 VANTAGE HWY t.9J 2.53 28 50 7311 10 0 5 0 0 105 120
BRIDGE RAIL-CODE 3.PHASE 1
2BRIDGE RAIL-CODE 3-PHASE 2
BRIDGE RAIL.CODE 3"PHASE 3
63501 DENMARK RD 3.08 4.35 20 50 312 20 10 5 20 0 45 r50
3
63501 DENMARK RD 0.5 3.08 20 50 319 20 5 0 0 0 30
BRIDGE RAIL.CODE 2.PHASE,1
4
BRIDGE RAII-CODE 2.PHASE 2
BRIDGE RAIL.CODE 2.PHASE 3
BRIDGE RAIL.CODE 2.PHASE4
BRIDGE RAII-CODE 2.PHASE 5
BRIDGE RAIL.CODE 2.PHASE 6
BRIDGE RAIL.CODE 2.PHASE 7
BRIDGE RAIL-CODE 1-PHASE 1
BRIDGE RAIL.CODE 1-PHASE 2
BRIDGE RAIL.CODE ,1-PMSE 3
75040 HUNTZINGER RD.PHASE,I 2.7 4.88 24 50 889 20 2Q 20 0 15 95
675040HUNTZINGER RD.PHASE 2 5.14 6,99 24 50 734 20 20 20 20 0 15 g5
75040 HUNTZINGER RD.PFIASE 3 6.99 10.74 24 50 371 20 5 20 20 0 15 80
Priority 1: Corridor and Intersection Safety lmprovements
This project provides corridor and intersection countermeasures and improvements at unsignalized intersections and
road segments identified as having insufficient, "out of date", or non-effective safety measures based on accident
data analysis and safety studies, Both Vantage Highway and Kittitas Highway are 50 mph, high-ADT, arterial access
corridors with overall roadways that are in good condition which have a higher collision rate than any other County
road.(Appendix A, Table 2).This project would provide identification and target specific intersections as well as
potential spot-improvements to these heavily traveled intersections throughout the county with implementation of
countermeasures presumed to be effective for each specific location, Kittitas County recognizes that improvements
to these corridors may provide benefit to a great number of local residents, recreational travelers, and freight transit;
and, any improvements that could reduce potential future crashes are beneficial, We previously identified No, 6 Rd,
and Vantage Hwy, as well as two other intersections along Kittitas Hwy at Matthews Rd and No. 6 Rd, for safety
improvements. Emphasis should be put on corridor and intersection improvements on Kittitas Hwy and Vantage Hwy
as a combined260/ool all serious and fatal crashes have occurred on Kittitas Hwy and Vantage Hwy combined.
Additionally, all serious and fatal accidents at Kittitas Hwy and No, 6 Rd have occuned during dark hours with
yielding issues as the cause,
The combination of repeated accident history and their quantities at No. 6 Rd and Kittitas Hwy makes this
intersection a high frequency collision area (two reportable crashes per year over a three year period, or three or
more over a five year period) bringing this segment up in the priority list of projects, The Kittitas Hwy/No, 6 Rd project
would include providing an adequate clear zone, LED-enhanced signs, and possible increased visibility measures.
Conlinued monitoring and further evaluation will also continue at this location to identify potential future safety
improvement opportunities.
Local safety improvements along Kittitas Hwy and Vantage Hwy include large scale improvements such as widening
and bridge replacements with updated guardrail. The county is taking this opportunity to evaluate the
countermeasures recently installed for performance success to analyze if corridor related accidents decrease. This
will allow for identification of whether additional countermeasures may need to be implemented in the future.
Signage proposed includes, but may not be limited to, solar powered LED-enhanced flashing stop signs, LED-
enhanced stop ahead signs, LED-enhanced cross traffic signs, and additional warning signs such as "Cross Traffic
Does Not Stop" and "T intersection" in locations where accident frequency is high or the County has recognized a
need to increase safety. These areas include intersections or road segments where signage is not existing (but
should be), is lacking, and/or needs updated equipment. One example would be the intersection of Thrall Rd. and
Clemons Rd, (T-intersection) which has an existing outdated beacon light which is hard powered in, Additional
signage could include standard curve signs where not existent or LED-enhanced curve signs where accidents are
frequent or serious or fatal on curves such as Upper Peoh Point Rd (Appendix A, Table 1) which has multiple road
segments with high scores based on criteria rating in Appendix B, Table 1. Below is a figure depicting our current
intersection signage at ruralintersections (left)and an intersection afterthe proposed signage improvements are
implemented (right),
Srofa{s
.mbd.dttG
wt.r c8oss
Tnffr(
Bcforc LED*nhanced rtop slgn inrtallddon: htgh risk ofdtht-rngle
craslps
lnldrad6n
tfoM&d
fll.l lI@rgn
After LED'enhanced stop sign and 6ddltlffil wamingslgn lnstalladon:
slgnlflant rcductlon ln rirk ofright-angle crashes,
Figure 1. Depiction of current County rural intersection (left) and a proposed County rural intersection with improvements (right)
lmage from carmanah,com
Data shows LED-embedded flashing stop signs are proven to make unsignalized intersections safer, especially in
rural areas with low lighting. ln a study published by the Minnesota Department of Transporlation (Davis, G.A.2014),
researchers found a 41.5% reduction in right-angle crashes after installing flashing LED-enhanced stop signs
throughout the state. Another study completed in Texas noted that the introduction of an LED-embedded stop sign
produced a28.90/o reduction in the number of vehicles not fulling stopping (Gates et. al. 2004), and a52.90/o
reduction in the number of vehicles moving through the intersection without significantly slowing down. A similar
yielding resultwas found in Virginia, where researchers also noted even highercompliance during dark hours (Arnold
and Lantz 2007). LED-embedded flashing traffic signs are also an efficient means of safety compensation for color
deficient or colorblind roadway users, especially during seasonal and lighVdark time changes when sign colors and
shades can blend with the natural environment (Chandler, B.2021).
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Prioritv 1 : lntersection/Gorridor lmprovements
ESTIMATED COST $336,600
Vantage Hwy and Kittitas Hwy have had safety improvements recently constructed in previous projects. The
county would like to observe the recent improvements in combination with enacting future safety projects.
The two intersections that will be the focus of this monitoring project are at Kittitas Highway and at No. 6 Rd
at MP 2,36 and No. 6 Rd at Vantage
Highway,
No. 6 Rd intersections at both Vantage
Hwy and Kittitas Hwy may benefit from
intersection specific cou ntermeasures.
Continued monitoring and evaluation
efforts at these locations will provide
future potential safety improvement data
o
CROSS TRAFFIC
DoES N()T SToP
t4
Priority 2: Bridge Rail lmprovements - Code 3
Phase 1-Gounty Maintenance Districts A. F
r 19 bridges orstructures
Phase 2- County Maintenance Districts G . I
r 21 bridges orstructures
Phase 3- County Maintenance Districts J - L
. 20 bridges orstructures
Due to the large number of locations needing improvements, it would be cost prohibitive to provide improvements for
all locations in a single project, As a result, countywide bridge rail improvements will be executed in a series of
projects. Each phase priority will include a number of locations that are grouped by County Maintenance Districts (A-
L) and phased to be manageable for design and construction. The projects were first ranked based on the
inadequacy of the bridge rail and then by the location in which the greatest benefit would be achieved.
Although not specifically identified through the risk-based prioritization scoring, this project is a high priority for Kittitas
County due to the number of locations observed to be at high risk with the potential for high severity accidents
throughout the entire county road system. The potential accidents that this project would prevent are serious injury
and fatal accidents. The County has identified this widespread hazard and is taking a proactive, systemic approach to
reduce the potential for future accidents,
There have been 60 bridges rated as Code 3; this rating reflects bridges with timber railing or no railing at all. 0f all
the bridges identified with substandard rail, these bridges or structures have the highest vulnerability because they
provide no protection for an errant vehicle.
15
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Prioritv 2: Bridqe Rail lmprovements
Code 3
Phase 1 is within County Maintenance Districts A-F with '19 bridges or structures.
o ESTIMATED COST $655,213
Phase 2 is within County Maintenance District G-l with 21 bridges or structures,
o ESTIMATED COST $617,553
Phase 3 is within County Maintenance Districts J-L with 20 bridges or structures.
o ESTIMATED COST $695,379
Bridges that have been coded 3
are severely inadequate bridges or
structures with wood rail or no rail
at all.
There will be three projects by
geographic location of code 3
bridges to allow for manageable
and coslconscious improvements,
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Priority 3: Denmark Road Safety lmprovements
Safety countermeasures and roadway improvements of a sharp corner with steep embankments at MP 3.57 would
aid to prevent run-off-road accidents on this specific road as it has a history of accidents at this location and was
identified in previous road safety plans. The priority level is lower than other projects because it only targets a specific
location and road characteristic, The county included multiple road segments to provide improvements to this entire
roadway corridor, from MP 0.50 to MP 4.35 which includes bundling bridge rail improvements to the project for
efficiency and cost-effective contract letting. This segment includes five Code 3 bridges within maintenance district K:
79143-ob,79144,79261-ob, 79262-0b,79351-ob, Recent improvements at this site include extension of the culvert
under Denmark Rd by about 15ft and the addition of rock to prevent undercutting of road. The shoulders of the
roadway were also built up by 2 ft on the outside of the corner and 3 ft on inside of the corner. Further
countermeasures such as those mentioned in this section are needed as this work itself does not prevent run off road
events,
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Prioritv 3: Denmark Rd Safetv lmprovements
ESTTMATED COST $431,498
r Denmark Rd from MP 0.50 to MP 3,08 has several structures in need of adequate railing.
r Denmark Rd from MP 3.08 to MP 4,35 has steep curves, both verlical and horizontal. The road narrows
greatly at the corner with steep embankments on both sides of the road. The countermeasures in place are
minimal and no rail is present at the corner.
. Recent improvements include extension of the existing culvert and the addition of rock to prevent
undercutting of the roadway and shoulder buildup.
r Denmark Rd includes five bridges rated as Code 3 (see Priority Two in this plan), Bridge lDs are: 79143-ob,
791 44, 79261-ob, 79262-ob, 79351 -ob.
18
Priority 4: Bridge Rail lmprovements - Code 2
Phase 1- County Maintenance Districts A. D
. 6 bridges orstructures
Phase 2. County Maintenance District E
o 16 bridges orstructures
Phase 3- County Maintenance District F
. 17 bridges or structures
Phase 4. County Maintenance District G
o 21 bridges orstructures
Phase 5- County Maintenance District H . I
o 14 bridges or structures
Phase 6- County Maintenance District J . K
. 14 bridges or structures
Phase 7- Gounty Maintenance District L
. 12 bridges or structures
The second highest risk bridges or structures were rated as Code 2. These bridges have railing that do not meet
WSDOT's modern standards for crashworthiness and do not have approach railing. Many of these bridges have w-
section metal beam rail and steel posts attached to the outer edge of the bridge deck, This is a design that was crash
tested and approved by FHWA in 1959 and has since been discontinued due to a tendency of the concrete deck to
fail at the post connection upon impact, allowing errant vehicles to continue off the deck, Bridges without approach
railing do not provide any protection to an errant vehicle that leaves the roadway just before the bridges. There are
'100 bridges that are coded 2 throughout Kittitas County, As with priority 2, this project will be broken into 7 phases to
create more manageable projects for design and construction,
Prioritv 4: Bridqe Rail lmprovements
Gode 2
Phase 1 is within County Maintenance Districts A-D with 6 bridges or structures.o ESTIMATED COST $893,325
Phase 2 is within County Maintenance District E with 16 bridges or structures.o ESTIMATED COST $1,085,245
Phase 3 is within County Maintenance District F with 17 bridges or structures,o ESTIMATED COST $1,112,359
Phase 4 is within County Maintenance District G with 21 bridges or structures,o ESTIMATED COST $1,173,879
Phase 5 is within County Maintenance Districts H-l with 14 bridges or structures.o ESTIMATED COST $1,007,091
Phase 6 is within County Maintenance Districts J-K with 14 bridges or structures,o ESTIMATED COST $876,199
Phase 7 is within County Maintenance Districts L with 12 bridges or structures,o ESTIMATED COST $658,463
o There are 100 bridges that have been coded 2 for inadequate rail with no approaches,
. There will be seven projects by maintenance districts of coded bridges to allow for manageable and cost-
conscious improvements.
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Priority 5: Bridge Rail lmprovements - Code 1
Phase 1- County Maintenance Districts A.D
. 2 bridges orstructures
Phase 2- County Maintenance District E
o 1 bridge or structure
Phase 3- Gounty Maintenance Districts F.L
. 15 bridges or structures
These bridges were identified with lower risk because they feature bridge rail and approaches; however, the rail
and/or approaches and terminal do not meet WSDOT's current standards for crashworthiness and will need to be
upgraded to maintain adequate protection for errant vehicles. There are 18 bridges and/or structures that have been
rated as Code 1. These structures have rail and approaches yet do not meet code. The priority is low on this project
as the bridges are functional but will need updated railing in the future to assist in preventing serious injury or fatal
accidents.
o
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Prioritv 5: Bridqe Rail lmprovements
Code 1
Phase 1 is within County Maintenance Districts A-D with 2 bridges or structureso ESTIMATED COST $478,583
Phase 2 is within County Maintenance Dishict E with 1 bridge or structures.o ESTIMATED COST $1,063,507
Phase 3 is within County Maintenance District F-L with 17 bridges or structures.o ESTIMATED COST $518,192
These bridges or structures will need upgraded rail and approaches to be brought up to standards to
prevent serious injury or fatality accidents if collision should occur,
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Priority 6: Huntzinger Road Safety lmprovements
a. Phase l-MP 2.70 to MP 4,88
b. Phase 2-MP 5.14 to MP 6.99
c, Phase 3-MP 6.99 to MP 10.74
Huntzinger Road has several segments of road that scored high on the risk-based prioritization. Although there is no
significant accident data to reflect the hazards, the characteristics of the road show several areas of curves; both
vertical and horizontal, steep embankments, and no shoulder which are the largest contributing factors to run-off-road
accidents, Guardrail, signing and delineation improvements to this corridor are cost-prohibitive so the county has
prioritized the phases in order of mileposts. This project is a priority for Kittitas County because it prevents the most
common type of accident (run-off-road) and scored high on risk-based prioritization, and because recreation
opportunities and new residence traffic are rapidly increasing along this roadway, lt is a lower priority than other
projects because we are already addressed the first roadway segments (MP 0.66 to 2.69) in 2017 . Kittitas County
would like to acknowledge a current and continuing monitoring and evalualion stage for safety in this segment of
Huntizinger Rd.
23
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Priority 6: Huntzinqer Rd. Safetv lmprovements
Phase 1 is between I'llP 2.70 to MP 4,88 has several horizontal curves, steep embankments, and no
shoulder in places with minimal countermeasures in place.
o ESTIMATED COST $778,557
Phase 2 is between MP 5.14 to MP 6.99 where there are steep embankments, no shoulder in areas and
need of guardrail, signs and/or delineation,
o ESTIMATED COST $366,129
Phase 3 is between MP 6,99 to MP 10.74 with sharp horizontal curves, vertical curves, steep embankments,
very little to no shoulder and inadequate clear zone,
o ESTIMATED COST $586,638
24
References
Arnold Jr., E,D. and Lantz Jr., K,E., Evaluation of best practices in traffic operations and safety: Phase 1: Flashing
LED stop sign and opticalspeed bars, Virginia Transportation Research Council, 2007,
Chandler, 8,, Grey means go: Colorblindness in transportation. lnstitute of Transportation Engineers. March 2021.
Davis, G.A., Hourdos, J,, Xiong, H., Estimating the crash reduction and vehicle dynamics effects of flashing LED stop
signs. Minnesota Department of Transportation. 2014.
Gates TJ, Carlson PJ, Hawkins HG. Field evaluations of warning and regulatory signs with enhanced conspicuity
properties. Transportation Research Record. 2004.
Kittitas County Public Works Department, Kittitas County Road Safety Plan, 2019,
List of Appendices
Appendix A:
Kittitas County Collision Data, 2015-19
Appendix B:
Road Segment Scoring and Project Prioritization
Appendix A
Kittitas County Collision Data 2015-19
27
Io-'To!Ioo--aa.o=o=.eda=ooonI!Pto!l=.>Jd+oI;ooOeve-9rooo_Report Numbertr#N6@o@DateffiN!Noox--{I=CJ>I=Prlmary RoadwayItlile Postuff4< ffiffi nit nxeo ouiectzObject HitOvertum?ffi-mDa*?DusUDawn?ffiAt lntersection?ffiOn Curve?HffiOver Centerline?$,wMotorcycle?ffiPaved?ffiBffi eavementWiath5ffiADT8ffi eosted speed?mo!!@Noc-o-omv-Imo:IalIz--.{c)G55=osN@@@o<n!ooQN!No!x-{-J=a-=Ni,@N6oo!@@o@o!Fa@c)oxc7o@voNoorffiiluFffi3NNo@NNO--{-on!-€z.m-CNoz.ao=c)vo!I!ffi-. mt-.T@=oosoqw*-ffirffim-m-mmm*fl=HHSsffiemN!N@sNsoTvxmC)vmmxvo@cqT9_a-@oN@oam@Naooo4Ez.(t)oz.c)z.oz.NNN!oomoooo@a!NoEo-CD--{oz.voI!co=No6o@oooFoo=.osoo5--{ooN99omo@@No!x+--{=c/)I€bcq-o6-ocoaoNomo!FNoNo!@mnnvo.I@To3oNo@om!o@oN@oF!@c-rTnoc)nINbN@m!!@@o-o!Ia--{mvaAtf9Nom!@oN!Nsooirtoo=oo56'oN@@om@o@tr!o@cEEmv-!mo-!=IsDTooo@uaNooo@q-No6-cz.--{Nz.6)mnn()5no€NN6om@0NNOssOxI--{=at)f€NNm6!N!@!!No-@-o€m7ftm-T=q!")N--{6oc/)c3N!om@oooo!Foc)z.oz.vosto5oo='oo=9_oNm@NMoc-oTmv@gC)m7Nooom3oD=3oNm@N@ooNoost5oooo6'oNN6om@@@oz.CD{a-nqo--{ooa=oNo
Kittltar County
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Figure 1. All vehicle accidents reported on Kittitas County roads, and injure severity, 201 5 -1 9.
29
Table 2. Total number of accidents per road (County maintained roads only), 2015-19.
Road Name
Number
of
accidents
Road Name
Number
of
accidents
Road Name
Number
of
accidents
1ST ST (THORP)
AIRPORT RD - CLE ELUM
ALLEY ST (RONALD)
ANDERSON RD
BADGER POCKET RD
BALLARD HILL RD
BENDER RD
BERRY RD
BOAT RAMP RD
BOYLSTON RD
BRICK MILL RD
BRICK RD
BROWN RD
BULLFROG RD
BURKE RD
BYNUM RD
CABIN CREEK RD
CANYON RD
CAREK RD
CARIBOU RD
CASASSA RD
CASCADE PLACE
CATTAIL RD
CHRISTENSEN RD
CLEMAN RD
CLERF RD
COLOCKUM RD
COOKE CANYON RD
COVE RD
DELTA ST
DENMARK RD
DRY CREEK RD
FAIRVIEW RD
FAUST RD
FERGUSON RD NORTH
FOURTH PARALLEL RD
GAME FARM RD
GLADMAR RD
GOLF COURSE RD
HANSON RD
1
3
1
5
8
1
4
3
I
1
B
8
6
11
1
1
1
15
1
3
1
1
1
1
16
2
5
2
3
1
6
10
0
1
1
2
5
2
2
12
HAROLD RD
HAYWARD RD
HEMINGSTON RD
HUNGRY JUNCTION RD
HUNTZINGER RD
HYAK DRIVE EAST
JUDGE RONALD RD
KACHESS LAKE RD
KILLMORE RD
KITTITAS HVUY
KOFFMAN RD
LIBERTY RD
LOOK RD
L. GREEN CANYON RD
L. PEOH POINT RD
LYONS RD
MAIN ST (VANTAGE)
MANASTASH RD
M. FORK TEANAWAY RD
MOHAR RD
MORRISON RD
MT DANIELS DR
NANEUM RD
NELSON DAIRY RD
NELSON SIDING RD
NO. 6 RD
NO.81 RD
N. FORK TEANAWAY RD
OLD HIGHWAY TEN
PARKE CREEK RD
PASCO RD
PAYNE RD
PAYS RD
PEAKVIEW DR
PFENNING RD
PRATER RD
RADER RD
RAILROAD ST
REECER CREEK RD
RIVERBOTTOM RD
1
I
1
1
J
I
3
1
I
1
1
68
1
1
10
6
8
2
3
18
2
2
2
1
10
1
0
31
10
2
I
7
1
1
1
I
4
1
1
4
36
3
ROBBINS RD
ROBINSON CANYON RD
SALMON LA SAC RD
SANDERS RD
SISTERS RD
SMITHSON RD
SNOOUALMIE DRIVE
SORENSON RD
SPARKS RD
STRANDE RD
SUNCADIA TRAIL
SUNLIGHT DRIVE
SUSAN RD
TANEUM RD WEST
TAYLOR RD
TEANAWAY RD
THOMAS RD
THORP CEMETERY RD
THORP HWY NORTH
THORP HWY SOUTH
THORP PRAIRIE RD
THRALL RD
TIPTON RD
TJOSSEM RD
UMPTANUM RD
UNIVERSITY WAY
UNKNOWN
U. BADGER POCKET RD
U. PEOH POINT RD
VANTAGE HWY
VENTURE RD
WATSON CUTOFF RD
WATT CANYON RD
WEAVER RD
W. FORK TEANAWAY RD
WESTSIDE RD
WILSON CREEK RD
3
17
10
7
2
3
1
2
1
2
1
1
1
1
2
13
2
4
4
17
9
28
1
10
22
b
I
'10
14
70
1
2
I
2
I
22
28
>10 and <50 accidents >50 accidents
Appendix B
Road Segment Scoring Results
31
Table 1. County road segmenls analyzed and scored by priorilization criteria, highest to lowest.
Road Road Name BMP EMP Paved
width
Speed
Limit ADT Overall
Criteria
lnadequate
Clear Zone
Fixed
0bjects
in Clear
Zone
Roadway
Curvature
Fatal or
Serious
lnjury
lnjury Tohl
Score
96951 KITTITAS HWY z.Jo 2.64 28 50 5M8 10 5 10 0 50 165 240
94001 VANTAGE HWY 4.08 5.57 28 50 3851 20 0 E 0 120 60 205
96951 KITTITAS HWY 1.52 2.36 28 50 5448 10 F 0 40 4aF 190
96951 KITTITAS HWY 2.64 3.36 28 50 1876 2{l 5 10 0 90 45 170
63501 DENMARK RD 3.08 4.35 20 50 595 10 10 20 20 0 90 150
92275 BULLFROG RD 2.04 28 50 4166 20 5 20 20 40 30 135
94001 VANTAGE 2.02 2.53 28 50 7311 10 0 E 0 0 105 120
95417 THORP HWY NORTH 6.79 7.69 20 50 423 10 0 20 20 50 15 115
95417 THORP HWY SOUTH 0 0,34 28 50 3680 20 0 0 20 ti 75 115
95417 THORP HWY SOUTH 0.34 0.43 24 50 2274 20 0 0 20 0 AE 115
24610 UPPER PEOH POINT RD 3.66 5.32 28 1q 690 tt)5 5 I 50 30 .l15
24610 UPPER PEOH POINT RD 3.16 3.66 u 35 690 10 5 F 10 80 0 110
5451 0 ROEINSON CANYON RD 1.2 2.72 22 50 438 20 0 E E 0 75 101
64756 U. BADGER POCKET RD 1.27 5.61 22 50 495 10 0 5 20 40 30 105
75040 HUNTZINGER RD 4.88 5.14 24 25 627 10 10 20 20 40 0 't00
54510 ROBINSON CANYON RD 0.96 1.2 20 50 769 10 U t 0 40 45 100
94001 VANTAGE HWY 5.57 6.56 28 50 2833 10 0 I U 40 45 100
94001 VANTAGE HWY 2.77 4.08 28 50 4574 10 0 E 5 0 75 95
95301 MANASTASH RD 5.58 11.0 22 35 963 10 10 10 20 40 0 90
40600 BRICK RD 1.12 1.22 22 35 1775 10 5 5 5 0 60 85
261 80 CASASSA RD 0 1.12 22 35 283 20 10 20 20 0 15 85
95301 MANASTASH RD 1.36 aaE 24 50 2409 20 10 10 0 0 45 B5
23030 NELSON SIDING RD 0.48 1.82 2B 1F 1096 10 0 10 10 40 15 85
Road
ID Road Name BMP EMP
Pave
ment
width
Speed
Limit ADT overall
Criteria
lnadequate
Clear Zone
Fixed
0bjects
in Clear
Zone
Roadway
Curvature
Fatal or
Serious
lnjury
lnjury Tohl
Score
22770 LOWER PEOH POINT RD 1.43 2.9 22 35 475 10 5 E 5 40 15 BO
2B500 TEANAWAY RD 0.11 0.73 24 50 860 10 10 10 zu 0 30 80
75040 HUNTZINGER RD 2.7 4.88 24 50 627 10 10 20 20 0 15 75
75040 HUNTZINGER RD 5.14 6.99 24 50 473 10 10 20 20 0 15 73
75040 HUNTZINGER RD 6.99 10.7 24 50 473 '10 10 20 20 0 15 75
40761 LOOK RD 1.34 1.84 28 50 1 169 20 5 10 10 0 30 75
40761 LOOK RD 1.84 2.88 28 50 822 20 E '10 10 U 30 75
22350 MOHAR RD 0 0.55 22 35 249 10 10 2u 20 0 15 75
96200 NO.6 RD 3.58 5.1 tt 50 1 135 20 0 5 6 45 75
43132 THOMAS RD 0 1.51 20 50 302 10 10 20 20 0 15 75
96951 KITTITAS HWY 3.36 3.82 28 50 1876 10 5 10 0 0 45 70
21560 SALMON LA SAC RD 1.75 10.6 30 35 835 10 I q ZU n 30 70
94001 VANTAGE HWY 23.36 27.5 26 50 586 20 I 5 10 0 30 70
95611 BROWN RD 1.B1 L.Od 18 50 M7 10 10 10 20 0 15 65
92275 BULLFROG RD 0.72 2.03 28 50 u97 10 '10 10 20 0 15 65
96076 CANYON RD 3.02 5.47 40 50 1219 10 0 0 40 15 65
96400 CLEMAN RD 1.4 1.7 2B 50 1408 10 10 10 20 0 15 66
38350 LIBERTY RD 0.84 1.47 26 35 123 10 10 20 10 0 15 65
93526 REECER CREEK RD 0.31 0.56 M 35 3794 10 0 20 20 0 15 6S
52770 THORP PRAIRIE RD 0 3.51 26 50 275 20 E 5 20 0 15 65
96865 TJOSSEM RD 0.98 1.39 28 50 718 20 0 10 20 0 15 65
94001 VANTAGE HWY 6.56 7.56 28 50 1923 10 5 A 0 45 65
94126 WILSON CREEK RD 2.55 4,09 24 50 647 10 5 E 0 0 45 65
13090 CABIN CREEK RD 0.07 0.22 24 25 195 10 5 10 20 0 '15 60
33
Road
ID Road Name BMP EMP Paved
width
Speed
Limit ADT 0verall
Criteria
lnadequate
Glear Zone
Fixed
0bjects
in Clear
Zone
Roadway
Curvature
Fatal or
Serious
lnjury
lnjury Total
Score
31510 HUNGRY JUNCTION RD 1.74 2.84 zv 50 811 20 5 zu 0 0 15 60
10750 HYAK DRIVE EAST 0.2s 0.44 26 ZU 184 10 10 20 5 U 15 60
34383 L. GREEN CANYON RD U 0.28 24 50 215 10 0 10 10 0 30 60
53010 RIVERBOTTOM RD 0 1.83 20 25 258 10 5 20 10 0 15 60
64756 U. BADGER POCKET RD 0 1.27 26 50 607 20 5 0 20 0 15 60
94001 VANTAGE HWY '18.4 21.2 26 50 586 10 5 5 10 U 30 60
42000 NANEUM RD 2.54 4.11 20 50 409 10 U 't0 5 0 30 55
93526 REECER CREEK RD 4.8 6.68 24 50 358 10 0 5 10 0 JU 55
96937 UMPTANUM RD 0.5 0.69 40 16 5508 20 0 0 A 0 30 55
23010 AIRPORT RD, CLE ELUM 0.41 2.73 22 35 208 10 0 10 n 0 30 50
95600 HANSON RD 0 0.81 28 50 1274 10 lt 5 20 0 15 50
31510 HUNGRY JUNCTION RD 2.84 3.25 IU 50 753 '10 5 20 0 0 15 50
40761 LOOK RD 0 0.59 28 50 1681 20 0 10 I 0 15 50
69760 PFENNING RD 1.53 1.97 20 J5 1319 10 0 10 0 0 30 50
95417 THORP HWY SOUTH 1.74 3.35 24 50 691 20 ll 5 '10 0 15 50
96751 THRALL RD 0.15 1.1 26 50 1BB2 ,(l 5 E 5 0 15 50
96751 THMLL RD 1.1 2.18 zh 50 1569 20 E 5 E 0 15 50
60640 ANDERSON RD 0 0.32 32 35 2648 20 0 10 0 0 15 45
96076 CANYON RD 3.02 5.41 40 50 1219 '10 0 20 0 0 15 45
96400 CLEMAN RD 1.7 4.25 30 50 805 10 10 10 0 0 15 45
43883 COOKE CANYON RD A 2.04 24 50 268 10 10 5 5 0 15 45
93025 DRY CREEK RD 1.15 1.31 28 35 596 20 10 U 0 15 45
96951 KITTITAS HWY 4.87 5.3 28 50 3'133 20 6 5 0 0 15 45
34
Road
ID Road Name BMP EMP Paved
width
Speed
Limit ADT 0verall
Criteria
lnadequate
Clear Zone
Fixed
0bjects
in Clear
Zone
Roadway
Curvature
Fatal or
Serious
lnjury
lnjury Total
Scoro
22770 LOWER PEOH POINT RD 2.5 5.05 20 35 339 10 5 10 5 0 15 45
40772 LYONS RD 4 6.29 26 50 257 10 10 10 0 0 15 45
95301 MANASTASH RD 0 0.74 28 50 2395 20 6 5 0 0 15 45
23030 NELSON SIDING RD 1.82 3.04 28 35 630 10 0 10 10 U 15 45
96200 NO.6 RD 0.36 0.68 24 50 2357 20 0 10 0 0 4E 45
94326 NO.81 RD 0.53 24 35 1567 20 0 10 0 0 15 45
21560 SALMON LA SAC RD 0 1.12 /30 35 1469 20 0 5 5 0 15 45
55550 THORP CEMETERY RD 0 3.02 24 50 382 '10 5 10 5 0 15 45
95417 THORP HWY SOUTH 0,43 1.55 24 50 1679 20 0 5 6 0 15 45
96751 THMLL RD 4.69 5.68 26 50 776 20 0 5 E 0 15 45
96751 THMLL RD 5.68 6.23 IU EN 237 20 0 I 5 0 1E 45
96865 TJOSSEM RD 0 0.98 28 50 718 10 5 10 5 0 15 45
24610 UPPER PEOH POINT RD U 3.16 34 35 955 10 5 A 10 0 15 45
24610 UPPER PEOH POINT RD 0 3.16 34 35 955 10 6 5 10 0 15 45
9400't VANTAGE HWY 9.6 10.6 26 50 791 20 5 5 0 n 15 45
40761 LOOK RD 0.69 1.34 28 50 1271 10 0 10 6 0 15 40
22770 LOWER PEOH POINT RD 0.34 0,59 22 35 u4 10 5 5 E 0 15 40
75060 MAIN ST &ANTAGE)0.19 0.92 32 35 552 10 0 10 5 0 15 40
42000 NANEUM RD 1.99 2.54 24 50 399 10 0 10 5 0 15 40
93526 REECER CREEK RD 9.18 11.5 22 50 268 10 0 6 10 0 15 40
96865 TJOSSEM RD 3.12 5,65 28 50 872 10 E 10 0 n '15 40
23010 AIRPORT RD (CLE ELUM)0.23 0.41 22 35 760 10 n 10 0 0 15 35
60640 ANDERSON RD 0.32 0.38 32 35 264B 10 0 10 0 0 15 35
60640 ANDERSON RD 0.3B 0.41 32 35 2437 10 0 10 0 0 15 35
Road Road Name BMP EMP Paved
width
Speed
Limit ADT 0verall
Criteria
lnadequate
Clear Zone.
Fixed
Objects
in Clear
Zone
Roadway
Curvature
Fatal or
Serious
lnjury
lnjury Tohl
Score
689 10 BADGER POCKET RD 1.3 3.35 20 50 178 10 10 0 0 0 15 35
62701 FERGUSON RD NORTH 1.02 2.01 22 50 480 10 E I 0 0 15 35
42000 NANEUM RD 4.11 4.86 ZU 50 201 10 0 10 0 0 15 35
96200 NO.6 RD 0 0.26 24 50 2357 10 0 10 0 0 15 35
94326 NO.81 RD 2.54 24 50 869 20 0 0 0 0 15 35
94001 VANTAGE HWY 7,56 9.6 26 50 1251 10 E 5 0 0 15 35
94126 WILSON CREEK RD 4.87 5.33 26 50 822 10 5 6 0 0 15 35
94126 WILSON CREEK RD 5.33 6.66 24 50 693 10 5 E 0 0 15 35
96951 KITTITAS HWY 1.03 1.34 28 35 6700 10 t,5 0 0 15 30
93526 REECER CREEK RD 0.76 1.26 38 50 3794 10 0 5 0 0 15 30
93526 REECER CREEK RD 1.26 2.26 34 50 1934 10 0 5 t,0 15 30
93526 REECER CREEK RD 2.26 4.8 28 50 681 10 0 A 0 0 15 30
54510 ROBINSON CANYON RD il 0.09 20 50 763 10 0 5 0 0 15 30
54510 ROBINSON CANYON RD 0.09 0,96 20 50 763 10 0 5 0 0 15 30
94001 VANTAGE 2.02 2.53 28 50 7311 20 5 I 0 0 0 30
94001 VANTAGE HWY aEa 2.77 28 50 6454 20 E E 0 n 0 30
68910 BADGER POCKET RD 0.57 1.3 22 50 314 10 0 0 0 0 '15 25
96200 NO.6 RD 1.85 2.22 26 50 787 10 0 0 0 0 '15 25
36