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HCM Signalized Intersection Capacity Analysis Existing Conditions <br />8: Hesperian Blvd & Bayfair Dr 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)18 1 3 45 0 58 2 710 93 64 774 12 <br />Future Volume (vph)18 1 3 45 0 58 2 710 93 64 774 12 <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 12 11 11 12 12 12 <br />Total Lost time (s)4.0 5.0 5.0 5.0 4.0 5.0 4.9 5.0 <br />Lane Util. Factor 1.00 0.95 0.95 1.00 1.00 0.91 1.00 0.91 <br />Frt 0.98 1.00 1.00 0.85 1.00 0.98 1.00 1.00 <br />Flt Protected 0.96 0.95 0.95 1.00 0.95 1.00 0.95 1.00 <br />Satd. Flow (prot)1758 1681 1681 1583 1770 4830 1770 5074 <br />Flt Permitted 0.50 0.74 0.74 1.00 0.95 1.00 0.95 1.00 <br />Satd. Flow (perm)907 1312 1312 1583 1770 4830 1770 5074 <br />Peak-hour factor, PHF 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 0.92 <br />Adj. Flow (vph)20 1 3 49 0 63 2 772 101 70 841 13 <br />RTOR Reduction (vph)0300059070010 <br />Lane Group Flow (vph) 0 21 0 24 25 4 2 866 0 70 853 0 <br />Turn Type Perm NA Perm NA Perm Prot NA Prot NA <br />Protected Phases 3 4 1 6 5 2 <br />Permitted Phases 3 4 4 <br />Actuated Green, G (s)7.4 8.4 8.4 8.4 1.3 76.1 9.2 84.9 <br />Effective Green, g (s)7.4 8.4 8.4 8.4 1.3 76.1 9.2 84.9 <br />Actuated g/C Ratio 0.06 0.07 0.07 0.07 0.01 0.63 0.08 0.71 <br />Clearance Time (s)4.0 5.0 5.0 5.0 4.0 5.0 4.9 5.0 <br />Vehicle Extension (s)2.0 4.0 4.0 4.0 3.5 4.0 3.5 4.0 <br />Lane Grp Cap (vph)55 91 91 110 19 3063 135 3589 <br />v/s Ratio Prot 0.00 c0.18 c0.04 0.17 <br />v/s Ratio Perm c0.02 0.02 c0.02 0.00 <br />v/c Ratio 0.39 0.26 0.27 0.04 0.11 0.28 0.52 0.24 <br />Uniform Delay, d1 54.1 52.9 52.9 52.0 58.8 9.8 53.3 6.2 <br />Progression Factor 1.00 1.00 1.00 1.00 1.16 0.12 1.01 1.82 <br />Incremental Delay, d2 1.6 2.1 2.2 0.2 2.3 0.2 3.6 0.1 <br />Delay (s)55.7 55.0 55.1 52.2 70.3 1.3 57.4 11.4 <br />Level of Service E D E D E A E B <br />Approach Delay (s)55.7 53.5 1.5 14.9 <br />Approach LOS E D A B <br />Intersection Summary <br />HCM 2000 Control Delay 11.6 HCM 2000 Level of Service B <br />HCM 2000 Volume to Capacity ratio 0.31 <br />Actuated Cycle Length (s) 120.0 Sum of lost time (s)18.9 <br />Intersection Capacity Utilization 40.1% ICU Level of Service A <br />Analysis Period (min) 15 <br />c Critical Lane Group <br />491