Resolution_Snoqualmie Pass Comprehensive Safety Action Plan

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HCM 7th TWSC 4: SR 906 & Tanner Way/Driveway 06/09/2025 PM Weekend Existing - February 2025 10:28 am 03/07/2025 Baseline Synchro 12 Report Page 4 Intersection Int Delay, s/veh 4.4 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations Traffic Vol, veh/h 37 3 29 14 4 10 31 69 14 8 76 39 Future Vol, veh/h 37 3 29 14 4 10 31 69 14 8 76 39 Conflicting Peds, #/hr 27 0 0 16 0 43 0 0 16 43 0 27 Sign Control Stop Stop Stop Stop Stop Stop Free Free Free Free Free Free RT Channelized - - None - - None - - None - - None Storage Length - - - - - - - - - - - - Veh in Median Storage, # - 0 - - 0 - - 0 - - 0 - Grade, %- 0 - - 0 - - 0 - - 0 - Peak Hour Factor 78 78 78 75 75 75 92 92 92 81 81 81 Heavy Vehicles, % 4 4 4 0 0 0 4 4 4 0 0 0 Mvmt Flow 47 4 37 19 5 13 34 75 15 10 94 48 Major/Minor Minor2 Minor1 Major1 Major2 Conflicting Flow All 353 365 161 325 382 169 169 0 0 133 0 0 Stage 1 165 165 - 193 193 - - - - - - - Stage 2 188 201 - 132 189 - - - - - - - Critical Hdwy 7.14 6.54 6.24 7.1 6.5 6.2 4.14 - - 4.1 - - Critical Hdwy Stg 1 6.14 5.54 - 6.1 5.5 - - - - - - - Critical Hdwy Stg 2 6.14 5.54 - 6.1 5.5 - - - - - - - Follow-up Hdwy 3.536 4.036 3.336 3.5 4 3.3 2.236 - - 2.2 - - Pot Cap-1 Maneuver 598 560 879 632 554 881 1396 - - 1464 - - Stage 1 833 758 - 813 745 - - - - - - - Stage 2 809 731 - 877 748 - - - - - - - Platoon blocked, %- -- - Mov Cap-1 Maneuver 531 510 848 552 505 819 1365 - - 1412 - - Mov Cap-2 Maneuver 531 510 - 552 505 - - - - - - - Stage 1 808 735 - 764 699 - - - - - - - Stage 2 742 687 - 817 725 - - - - - - - Approach EB WB NB SB HCM Control Delay, s/v11.67 11.23 2.09 0.49 HCM LOS B B Minor Lane/Major Mvmt NBL NBT NBREBLn1WBLn1 SBL SBT SBR Capacity (veh/h)474 - - 628 615 110 - - HCM Lane V/C Ratio 0.025 - - 0.141 0.061 0.007 - - HCM Control Delay (s/veh) 7.7 0 - 11.7 11.2 7.6 0 - HCM Lane LOS A A - B B A A - HCM 95th %tile Q(veh) 0.1 - - 0.5 0.2 0 - -