COMPLIANCE INFO_FINAL INITIAL STUDY/MITIGATED NEGATIVE DECLARATION 5/25

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HCM 6th Signalized Intersection Summary1: SR 88 & E Harney Ln01/12/2025Foothill and North County Landfills Study - Future plus Project AM Synchro 11 ReportW-TransPage 1Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBRLane ConfigurationsTraffic Volume (veh/h) 65 89 44 51 185 36 19 302 35 12 502 87Future Volume (veh/h) 65 89 44 51 185 36 19 302 35 12 502 87Initial Q (Qb), veh 0 0 0000000000Ped-Bike Adj(A_pbT) 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00Parking Bus, Adj 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00Work Zone On Approach No No No NoAdj Sat Flow, veh/h/ln 1826 1781 1900 1633 1826 1737 1900 1737 1470 1278 1781 1811Adj Flow Rate, veh/h 65 89 39 51 185 33 19 302 28 12 502 72Peak Hour Factor 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00Percent Heavy Veh, % 5 8 0 18 5 11 0 11 29 42 8 6Cap, veh/h 194 191 70 144 271 44 43 641 59 19 612 88Arrive On Green 0.21 0.21 0.21 0.21 0.21 0.21 0.02 0.41 0.41 0.02 0.40 0.40Sat Flow, veh/h 401 905 331 219 1284 210 1810 1566 145 1217 1524 219Grp Volume(v), veh/h 193 0 0 269 0 0 19 0 330 12 0 574Grp Sat Flow(s),veh/h/ln 1636 0 0 1712 0 0 1810 0 1711 1217 0 1742Q Serve(g_s), s 0.0 0.0 0.0 2.0 0.0 0.0 0.5 0.0 6.2 0.4 0.0 12.9Cycle Q Clear(g_c), s 4.4 0.0 0.0 6.3 0.0 0.0 0.5 0.0 6.2 0.4 0.0 12.9Prop In Lane 0.34 0.20 0.19 0.12 1.00 0.08 1.00 0.13Lane Grp Cap(c), veh/h 454 0 0 458 0 0 43 0 701 19 0 700V/C Ratio(X) 0.42 0.00 0.00 0.59 0.00 0.00 0.45 0.00 0.47 0.64 0.00 0.82Avail Cap(c_a), veh/h 805 0 0 859 0 0 412 0 2335 277 0 2378HCM Platoon Ratio 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00Upstream Filter(I) 1.00 0.00 0.00 1.00 0.00 0.00 1.00 0.00 1.00 1.00 0.00 1.00Uniform Delay (d), s/veh 15.4 0.0 0.0 16.1 0.0 0.0 21.2 0.0 9.5 21.5 0.0 11.7Incr Delay (d2), s/veh 0.6 0.0 0.0 1.2 0.0 0.0 2.7 0.0 0.4 12.4 0.0 1.8Initial Q Delay(d3),s/veh 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0%ile BackOfQ(50%),veh/ln 1.3 0.0 0.0 1.9 0.0 0.0 0.2 0.0 1.4 0.2 0.0 3.2Unsig. Movement Delay, s/vehLnGrp Delay(d),s/veh 16.0 0.0 0.0 17.3 0.0 0.0 23.9 0.0 9.9 34.0 0.0 13.6LnGrp LOS B A A B A A C A A C A BApproach Vol, veh/h 193 269 349 586Approach Delay, s/veh 16.0 17.3 10.6 14.0Approach LOS B B B BTimer - Assigned Phs 1 2 4 5 6 8Phs Duration (G+Y+Rc), s 4.7 24.0 15.3 5.0 23.7 15.3Change Period (Y+Rc), s 4.0 6.0 6.0 4.0 6.0 6.0Max Green Setting (Gmax), s 10.0 60.0 20.0 10.0 60.0 20.0Max Q Clear Time (g_c+I1), s 2.4 8.2 6.4 2.5 14.9 8.3Green Ext Time (p_c), s 0.0 1.4 0.7 0.0 2.7 1.0Intersection SummaryHCM 6th Ctrl Delay 14.1HCM 6th LOS BHCM 6th AWSC2: Jack Tone Rd & E Harney Ln01/12/2025Foothill and North County Landfills Study - Future plus Project AM Synchro 11 ReportW-TransPage 2IntersectionIntersection Delay, s/veh12.1Intersection LOS BMovement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBRLane ConfigurationsTraffic Vol, veh/h 21 83 13 26 113 42 58 239 16 21 162 83Future Vol, veh/h 21 83 13 26 113 42 58 239 16 21 162 83Peak Hour Factor 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00Heavy Vehicles, % 14 22 15 4 15 12 0 8 13 19 7 0Mvmt Flow 21 83 13 26 113 42 58 239 16 21 162 83Number of Lanes 0 1 1 0 1 1 0 1 1 0 1 1Approach EB WB NB SBOpposing Approach WB EB SB NBOpposing Lanes 2 2 2 2Conflicting Approach Left SB NB EB WBConflicting Lanes Left 2 2 2 2Conflicting Approach RightNB SB WB EBConflicting Lanes Right 2 2 2 2HCM Control Delay 11 10.9 14 11HCM LOS B B B B Lane NBLn1NBLn2 EBLn1 EBLn2WBLn1WBLn2 SBLn1 SBLn2Vol Left, % 20% 0% 20% 0% 19% 0% 11% 0%Vol Thru, % 80% 0% 80% 0% 81% 0% 89% 0%Vol Right, % 0% 100% 0% 100% 0% 100% 0% 100%Sign Control Stop Stop Stop Stop Stop Stop Stop StopTraffic Vol by Lane 297 16 104 13 139 42 183 83LT Vol 58 0 21 0 26 0 21 0Through Vol 239 0 83 0 113 0 162 0RT Vol 0 16 0 13 0 42 0 83Lane Flow Rate 297 16 104 13 139 42 183 83Geometry Grp 5 5 5 5 5 5 5 5Degree of Util (X) 0.49 0.023 0.197 0.022 0.252 0.069 0.32 0.123Departure Headway (Hd) 5.935 5.266 6.819 6.143 6.528 5.912 6.289 5.316Convergence, Y/N Yes Yes Yes Yes Yes Yes Yes YesCap 606 679 525 581 549 605 571 673Service Time 3.673 3.003 4.571 3.895 4.274 3.658 4.028 3.055HCM Lane V/C Ratio 0.49 0.024 0.198 0.022 0.253 0.069 0.32 0.123HCM Control Delay 14.3 8.1 11.2 9 11.5 9.1 12 8.8HCM Lane LOS B A B A B A B AHCM 95th-tile Q 2.7 0.1 0.7 0.1 1 0.2 1.4 0.4