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HCM Signalized Intersection Capacity Analysis Existing Conditions <br />24: Hesperian Blvd & Drew St Timing Plan: AM Peak Hour <br />Fairmont/Hesperian Complete Streets Synchro 10 Report <br />DKS Associates <br />Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR <br />Lane Configurations <br />Traffic Volume (vph)0 0 3 219 0 81 12 984 136 90 966 2 <br />Future Volume (vph)0 0 3 219 0 81 12 984 136 90 966 2 <br />Ideal Flow (vphpl)1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <br />Lane Width 12 12 12 12 12 12 11 11 11 12 11 11 <br />Total Lost time (s)4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 <br />Lane Util. Factor 1.00 1.00 1.00 0.91 1.00 1.00 0.91 1.00 <br />Frpb, ped/bikes 0.99 0.99 1.00 1.00 0.95 1.00 1.00 0.95 <br />Flpb, ped/bikes 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br />Frt 0.86 0.96 1.00 1.00 0.85 1.00 1.00 0.85 <br />Flt Protected 1.00 0.96 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (prot)1587 1719 1662 4775 1419 1752 4868 1438 <br />Flt Permitted 1.00 0.78 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (perm)1587 1395 1662 4775 1419 1752 4868 1438 <br />Peak-hour factor, PHF 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 <br />Adj. Flow (vph)0 0 3 233 0 86 13 1047 145 96 1028 2 <br />RTOR Reduction (vph)02008300082000 <br />Lane Group Flow (vph)01002360131047 63 96 1028 2 <br />Confl. Peds. (#/hr) 7 3 3 7 14 18 <br />Confl. Bikes (#/hr)33 <br />Heavy Vehicles (%) 2% 2% 2% 2% 2% 2% 5% 5% 5% 3% 3% 3% <br />Turn Type NA Perm NA Prot NA Perm Prot NA Perm <br />Protected Phases 4 8 5 2 1 6 <br />Permitted Phases 4 8 2 6 <br />Actuated Green, G (s)14.2 14.2 1.2 26.2 26.2 6.1 31.1 31.1 <br />Effective Green, g (s)14.2 14.2 1.2 26.2 26.2 6.1 31.1 31.1 <br />Actuated g/C Ratio 0.24 0.24 0.02 0.44 0.44 0.10 0.52 0.52 <br />Clearance Time (s)4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 <br />Vehicle Extension (s)3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 <br />Lane Grp Cap (vph)375 330 33 2085 619 178 2523 745 <br />v/s Ratio Prot 0.00 0.01 c0.22 c0.05 0.21 <br />v/s Ratio Perm c0.17 0.04 0.00 <br />v/c Ratio 0.00 0.71 0.39 0.50 0.10 0.54 0.41 0.00 <br />Uniform Delay, d1 17.5 21.0 29.0 12.2 10.0 25.6 8.8 7.0 <br />Progression Factor 1.00 1.00 1.10 0.98 1.27 0.80 2.38 2.11 <br />Incremental Delay, d2 0.0 7.2 7.3 0.8 0.3 2.4 0.4 0.0 <br />Delay (s)17.5 28.2 39.1 12.8 13.0 22.8 21.4 14.7 <br />Level of Service B C D B B C C B <br />Approach Delay (s)17.5 28.2 13.1 21.5 <br />Approach LOS B C B C <br />Intersection Summary <br />HCM 2000 Control Delay 18.5 HCM 2000 Level of Service B <br />HCM 2000 Volume to Capacity ratio 0.57 <br />Actuated Cycle Length (s) 60.0 Sum of lost time (s)13.5 <br />Intersection Capacity Utilization 59.2% ICU Level of Service B <br />Analysis Period (min)15 <br />c Critical Lane Group <br />494