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Location F: Exit 54 Area <br />Area Limits SR 906: Hyak Drive E to Lake Mardee Road, and SR 906 Spur <br />Jurisdiction WSDOT <br />Land Use Context Access to downhill skiing, vacation rentals, boat launch, trailheads <br />Speed Limit 5R 906: 35 mph, Hyak Drive E: 2O mph <br />AADT Not available <br />Proposed Cou ntermeasu res <br />A series of countermeasures were selected for the Exit 54 area to address both <br />collision-related and non-collision-related concerns, as illustrated in Figures 31, <br />32, and 33. ltems in bold are FHWA Proven Safe{Countermeasunes. <br />Cost Estimates <br />Approximate planning-level costs for each countermeasure are outlined below: <br />Table 8. Location F - Cost Estimates of Proposed Countermeasures <br />Kittitas County I Snoqualmie Pass Comprehensive Safety Plan 60 <br />Collision History <br />Between 2074 and 2023, there were seven reported collisions in <br />this priority area. Of these seven collisions, four collisions were <br />intersection-related. Two collisions resulted in a possible or minor <br />injury and allwere vehicle-only collisions. <br />2 Possible or minor <br />collisions <br />Of the 7 collisions: <br />Shared Use Path <br />Roadway Reconfi guration <br />Dedicated left-turn lane <br />Systematic Application of Multiple <br />Low-Cost Countermeasures at <br />Stop-Controlled lntersections <br />Roundabout <br />Roadway Lighting <br />Crosswalk <br />lntersection 79% <br />4 <br />"onr",orr"Were intersection- <br />related. <br />' Congestion on Exit <br />54 E off-ramp. <br />. lntersection confusion due <br />to signs that are out of sight, <br />unclear pavement markings, <br />and size of intersection. <br />. Limited space between <br />on/off ramps and 5R 906/ <br />Hyak Drive E intersection. <br />All <br />Were vehicle-only <br />collisions. <br />' lce on the roadway limits <br />stopping sight distance. <br />' Vehicle and pedestrian <br />conflicts. Lack of pedestrian <br />access to Lake Keechelus and <br />overflow parking from Summit <br />East along SR 906 Spur put <br />pedestrians in the roadway. <br />Corridor <br />Corridor <br />lntersection <br />Not available <br />Not available <br />25-48% <br />$$$$ <br />$$ <br />$ <br />$ <br />Non-Col lision Concerns <br />Additional concerns were identified in this area through public <br />comments, stakeholder feedback, and observation by the CounW <br />and consultants. Concerns include: <br />lntersection <br />lntersection <br />Crossing <br />82% <br />42% <br />$$$$$ <br />$$ <br />$ <br />Source: SCJ,2025. <br />It is important to note that due to snow-plow activitywithin the Snoqualmie <br />Pass area, recessed plastic pavement markings are recommended for <br />channelization. Sufficient budget must be allocated for renewing pavement <br />markings for the proposed solutions to be effective. <br />* CRFSareapproximatedbasedonthedataprovidedbytheFHWAProvenSafetyCountermeasures. <br />I Costs are based on a preliminary engineer's estimate of magnitude. <br />',7 3,e': ?':1;e: ?t.il;iSr.,i.i-,st 29o/o <br />Countermeasure Application Crash reduction factor" Cost levelt