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HCM Signalized Intersection Capacity Analysis Existing Conditions <br />6: Bayfair Dr & Fairmont Dr Timing Plan: AM Peak Hour <br />Fairmont/Hesperian Complete Streets Synchro 10 Report <br />DKS Associates <br />Movement EBU EBL EBT EBR WBU WBL WBT WBR NBL NBT NBR SBL <br />Lane Configurations <br />Traffic Volume (vph)2 24 436 53 2 156 703 23 39 7 74 21 <br />Future Volume (vph)2 24 436 53 2 156 703 23 39 7 74 21 <br />Ideal Flow (vphpl)1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <br />Lane Width 12 12 11 12 12 10 11 12 12 12 12 12 <br />Total Lost time (s)4.0 4.5 4.0 4.5 5.0 <br />Lane Util. Factor 1.00 0.91 1.00 0.91 0.95 <br />Frpb, ped/bikes 1.00 1.00 1.00 1.00 0.99 <br />Flpb, ped/bikes 1.00 1.00 1.00 1.00 1.00 <br />Frt 1.00 0.98 1.00 1.00 0.91 <br />Flt Protected 0.95 1.00 0.95 1.00 0.98 <br />Satd. Flow (prot)1770 4827 1652 4890 3134 <br />Flt Permitted 0.95 1.00 0.95 1.00 0.86 <br />Satd. Flow (perm)1770 4827 1652 4890 2751 <br />Peak-hour factor, PHF 0.89 0.89 0.89 0.89 0.89 0.89 0.89 0.89 0.89 0.89 0.89 0.89 <br />Adj. Flow (vph)2 27 490 60 2 175 790 26 44 8 83 24 <br />RTOR Reduction (vph) 0 0 15 0003005300 <br />Lane Group Flow (vph) 0 29 535 0 0 177 813 0 0 82 0 0 <br />Confl. Peds. (#/hr) 2 3 1 1 <br />Confl. Bikes (#/hr)2 2 <br />Turn Type Prot Prot NA Prot Prot NA Perm NA Perm <br />Protected Phases 1 1 5 6 6 2 4 <br />Permitted Phases 44 <br />Actuated Green, G (s)2.6 20.7 15.3 33.4 28.1 <br />Effective Green, g (s)2.6 20.7 15.3 33.4 28.1 <br />Actuated g/C Ratio 0.03 0.27 0.20 0.43 0.36 <br />Clearance Time (s)4.0 4.5 4.0 4.5 5.0 <br />Vehicle Extension (s)2.0 6.0 2.0 6.0 2.0 <br />Lane Grp Cap (vph)59 1287 325 2104 996 <br />v/s Ratio Prot 0.02 c0.11 c0.11 0.17 <br />v/s Ratio Perm c0.03 <br />v/c Ratio 0.49 0.42 0.54 0.39 0.08 <br />Uniform Delay, d1 36.9 23.5 28.0 15.1 16.3 <br />Progression Factor 1.00 1.00 1.00 1.00 1.00 <br />Incremental Delay, d2 2.3 0.6 1.0 0.3 0.0 <br />Delay (s)39.2 24.1 29.0 15.4 16.3 <br />Level of Service D C C B B <br />Approach Delay (s)24.8 17.9 16.3 <br />Approach LOS C B B <br />Intersection Summary <br />HCM 2000 Control Delay 20.0 HCM 2000 Level of Service B <br />HCM 2000 Volume to Capacity ratio 0.30 <br />Actuated Cycle Length (s) 77.6 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 />186