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 Weekday Future - February 2045 3:29 pm 05/16/2025 Baseline Synchro 12 Report Page 5 Intersection Int Delay, s/veh 8.3 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations Traffic Vol, veh/h 45 5 50 5 10 60 65 130 5 15 75 40 Future Vol, veh/h 45 5 50 5 10 60 65 130 5 15 75 40 Conflicting Peds, #/hr 0 0 0 0 0 0 0 0 0 0 0 0 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 88 88 88 75 75 75 87 87 87 87 87 87 Heavy Vehicles, % 1 1 1 23 23 23 1 1 1 2 2 2 Mvmt Flow 51 6 57 7 13 80 75 149 6 17 86 46 Major/Minor Major1 Major2 Minor1 Minor2 Conflicting Flow All 93 0 0 63 0 0 206 243 34 249 231 53 Stage 1 - - - - - - 136 136 - 67 67 - Stage 2 - - - - - - 70 107 - 183 165 - Critical Hdwy 4.11 - - 4.33 - - 7.11 6.51 6.21 7.12 6.52 6.22 Critical Hdwy Stg 1 - - - - - - 6.11 5.51 - 6.12 5.52 - Critical Hdwy Stg 2 - - - - - - 6.11 5.51 - 6.12 5.52 - Follow-up Hdwy 2.209 - - 2.407 - - 3.509 4.009 3.309 3.518 4.018 3.318 Pot Cap-1 Maneuver 1507 - - 1417 - - 754 660 1042 704 669 1014 Stage 1 - - - - - - 869 786 - 944 839 - Stage 2 - - - - - - 943 809 - 819 762 - Platoon blocked, %- -- - Mov Cap-1 Maneuver 1507 - - 1417 - - 601 634 1042 519 642 1014 Mov Cap-2 Maneuver - - - - - - 601 634 - 519 642 - Stage 1 - - - - - - 839 758 - 939 835 - Stage 2 - - - - - - 803 805 - 631 735 - Approach EB WB NB SB HCM Control Delay, s/v 3.36 0.5 12.37 10.96 HCM LOS B B Minor Lane/Major Mvmt NBLn1 EBL EBT EBR WBL WBT WBRSBLn1 Capacity (veh/h)643 685 - - 102 - - 736 HCM Lane V/C Ratio 0.241 0.034 - - 0.005 - - 0.18 HCM Control Delay (s/veh) 12.4 7.5 0 - 7.6 0 - 11 HCM Lane LOS B A A - A A - B HCM 95th %tile Q(veh) 0.9 0.1 - - 0 - - 0.7