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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 SR 906: 35 mph, Hyak Drive E: 20 mph <br />AADT Not available <br />Proposed Countermeasures <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. Items in bold are FHWA Proven Safety Countermeasures. <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 />Countermeasure Application Crash reduction factor <br />* Cost level† <br />Shared Use Path Corridor Not available $$$$ <br />Roadway Reconfiguration Corridor Not available $$ <br />Dedicated left-turn lane Intersection 25-48%$ <br />Systematic Application of Multiple <br />Low-Cost Countermeasures at <br />Stop-Controlled Intersections <br />Intersection 19%$ <br />Roundabout Intersection 82%$$$$$ <br />Roadway Lighting Intersection 42%$$ <br />Crosswalk Crossing -$ <br />Source: SCJ, 2025. <br />It is important to note that due to snow-plow activity within 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 />* CRFs are approximated based on the data provided by the FHWA Proven Safety Countermeasures. <br />† Costs are based on a preliminary engineer’s estimate of magnitude. <br />Collision History <br />Between 2014 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 all were vehicle-only collisions. <br />Non-Collision Concerns <br />Additional concerns were identified in this area through public <br />comments, stakeholder feedback, and observation by the County <br />and consultants. Concerns include: <br /> ƒCongestion on Exit <br />54 E off-ramp. <br /> ƒIntersection confusion due <br />to signs that are out of sight, <br />unclear pavement markings, <br />and size of intersection. <br /> ƒLimited space between <br />on/off ramps and SR 906/ <br />Hyak Drive E intersection. <br /> ƒIce on the roadway limits <br />stopping sight distance. <br /> ƒVehicle 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 />4 <br />Were intersection- <br />related. <br />Collisions All <br />Were vehicle-only <br />collisions. <br />7 Reported Collisions <br />Of the 7 collisions: <br />29% <br />Possible or minor injury collisions2 <br />60Kittitas County | Snoqualmie Pass Comprehensive Safety Plan