Resolution_Snoqualmie Pass Comprehensive Safety Action Plan

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HCM 7th TWSC 5: Hyak Dr E & SR 906 & Driveway 06/09/2025 PM Weekend Existing - February 2025 10:28 am 03/07/2025 Baseline Synchro 12 Report Page 5 Intersection Int Delay, s/veh 9.5 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations Traffic Vol, veh/h 52 12 47 7 13 81 44 161 17 73 77 54 Future Vol, veh/h 52 12 47 7 13 81 44 161 17 73 77 54 Conflicting Peds, #/hr 4 0 4 2 0 2 4 0 2 2 0 4 Sign Control Free Free Free Free Free Free Stop Stop Stop Stop Stop Stop RT Channelized - - None - - None - - None - - None Storage Length - - - - - - - - - - - - Veh in Median Storage, # - 0 - - 0 - - 0 - - 0 - Grade, %- 0 - - 0 - - 0 - - 0 - Peak Hour Factor 84 84 84 90 90 90 80 80 80 86 86 86 Heavy Vehicles, % 5 5 5 6 6 6 1 1 1 0 0 0 Mvmt Flow 62 14 56 8 14 90 55 201 21 85 90 63 Major/Minor Major1 Major2 Minor1 Minor2 Conflicting Flow All 108 0 0 74 0 0 249 294 48 320 277 67 Stage 1 - - - - - - 170 170 - 79 79 - Stage 2 - - - - - - 79 124 - 241 198 - Critical Hdwy 4.15 - - 4.16 - - 7.11 6.51 6.21 7.1 6.5 6.2 Critical Hdwy Stg 1 - - - - - - 6.11 5.51 - 6.1 5.5 - Critical Hdwy Stg 2 - - - - - - 6.11 5.51 - 6.1 5.5 - Follow-up Hdwy 2.245 - - 2.254 - - 3.509 4.009 3.309 3.5 4 3.3 Pot Cap-1 Maneuver 1464 - - 1500 - - 707 619 1023 637 634 1002 Stage 1 - - - - - - 834 760 - 935 833 - Stage 2 - - - - - - 932 795 - 767 741 - Platoon blocked, %- -- - Mov Cap-1 Maneuver 1459 - - 1495 - - 536 584 1018 393 598 995 Mov Cap-2 Maneuver - - - - - - 536 584 - 393 598 - Stage 1 - - - - - - 794 724 - 926 826 - Stage 2 - - - - - - 772 788 - 517 706 - Approach EB WB NB SB HCM Control Delay, s/v 3.55 0.51 14.28 11.38 HCM LOS B B Minor Lane/Major Mvmt NBLn1 EBL EBT EBR WBL WBT WBRSBLn1 Capacity (veh/h)609 727 - - 106 - - 716 HCM Lane V/C Ratio 0.365 0.042 - - 0.005 - - 0.213 HCM Control Delay (s/veh) 14.3 7.6 0 - 7.4 0 - 11.4 HCM Lane LOS B A A - A A - B HCM 95th %tile Q(veh) 1.7 0.1 - - 0 - - 0.8