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HCM Signalized Intersection Capacity Analysis Existing Conditions <br />11: Hesperian Bl/Hesperian Blvd & Springlake Dr Timing Plan: AM Peak Hour <br />Fairmont/Hesperian Complete Streets Synchro 10 Report <br />DKS Associates <br />Movement EBL EBR NBL NBT SBT SBR <br />Lane Configurations <br />Traffic Volume (vph) 246 371 106 886 1053 135 <br />Future Volume (vph) 246 371 106 886 1053 135 <br />Ideal Flow (vphpl)1900 1900 1900 1900 1900 1900 <br />Lane Width 12 12 10 11 11 11 <br />Total Lost time (s)4.6 4.6 4.0 4.9 4.9 <br />Lane Util. Factor 0.97 0.91 1.00 0.91 0.91 <br />Frpb, ped/bikes 0.99 0.99 1.00 1.00 1.00 <br />Flpb, ped/bikes 1.00 1.00 1.00 1.00 1.00 <br />Frt 0.94 0.85 1.00 1.00 0.98 <br />Flt Protected 0.97 1.00 0.95 1.00 1.00 <br />Satd. Flow (prot)3254 1420 1652 4868 4762 <br />Flt Permitted 0.97 1.00 0.95 1.00 1.00 <br />Satd. Flow (perm)3254 1420 1652 4868 4762 <br />Peak-hour factor, PHF 0.84 0.84 0.84 0.84 0.84 0.84 <br />Adj. Flow (vph)293 442 126 1055 1254 161 <br />RTOR Reduction (vph) 127 191 0 0 10 0 <br />Lane Group Flow (vph) 374 43 126 1055 1405 0 <br />Confl. Peds. (#/hr) 5 1 9 9 <br />Confl. Bikes (#/hr)1 6 <br />Heavy Vehicles (%)3% 2% 2% 3% 3% 3% <br />Turn Type Prot Perm Prot NA NA <br />Protected Phases 4 5 2 6 <br />Permitted Phases 4 <br />Actuated Green, G (s) 22.2 22.2 14.4 88.3 69.9 <br />Effective Green, g (s) 22.2 22.2 14.4 88.3 69.9 <br />Actuated g/C Ratio 0.18 0.18 0.12 0.74 0.58 <br />Clearance Time (s)4.6 4.6 4.0 4.9 4.9 <br />Vehicle Extension (s) 4.0 4.0 3.0 4.0 4.0 <br />Lane Grp Cap (vph) 601 262 198 3582 2773 <br />v/s Ratio Prot c0.11 c0.08 0.22 c0.30 <br />v/s Ratio Perm 0.03 <br />v/c Ratio 0.62 0.17 0.64 0.29 0.51 <br />Uniform Delay, d1 45.0 41.1 50.3 5.3 14.8 <br />Progression Factor 1.00 1.00 1.00 1.00 1.61 <br />Incremental Delay, d2 2.3 0.4 6.5 0.2 0.2 <br />Delay (s) 47.3 41.5 56.9 5.6 24.1 <br />Level of Service D D E A C <br />Approach Delay (s) 45.5 11.0 24.1 <br />Approach LOS D B C <br />Intersection Summary <br />HCM 2000 Control Delay 24.2 HCM 2000 Level of Service C <br />HCM 2000 Volume to Capacity ratio 0.55 <br />Actuated Cycle Length (s) 120.0 Sum of lost time (s)13.5 <br />Intersection Capacity Utilization 52.5% ICU Level of Service A <br />Analysis Period (min)15 <br />c Critical Lane Group <br />493