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HCM Signalized Intersection Capacity Analysis Existing Conditions <br />8: Hesperian Blvd & Bayfair Dr Timing Plan: PM Peak Hour <br />Fairmont/Hesperian Complete Streets Synchro 9 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)26 2 2 214 1 214 6 957 312 158 786 14 <br />Future Volume (vph)26 2 2 214 1 214 6 957 312 158 786 14 <br />Ideal Flow (vphpl)1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <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 0.99 1.00 1.00 0.85 1.00 0.96 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)1770 1681 1686 1583 1770 4898 1770 5072 <br />Flt Permitted 0.35 0.74 0.70 1.00 0.95 1.00 0.95 1.00 <br />Satd. Flow (perm)641 1303 1247 1583 1770 4898 1770 5072 <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) 28 2 2 233 1 233 7 1040 339 172 854 15 <br />RTOR Reduction (vph)020001990340010 <br />Lane Group Flow (vph) 0 30 0 116 118 34 7 1345 0 172 868 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)10.8 18.7 18.7 18.7 1.5 63.4 18.2 81.0 <br />Effective Green, g (s)10.8 18.7 18.7 18.7 1.5 63.4 18.2 81.0 <br />Actuated g/C Ratio 0.08 0.14 0.14 0.14 0.01 0.49 0.14 0.62 <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)53 187 179 227 20 2388 247 3160 <br />v/s Ratio Prot 0.00 c0.27 c0.10 0.17 <br />v/s Ratio Perm c0.05 0.09 c0.09 0.02 <br />v/c Ratio 0.57 0.62 0.66 0.15 0.35 0.56 0.70 0.27 <br />Uniform Delay, d1 57.4 52.3 52.6 48.7 63.8 23.5 53.3 11.1 <br />Progression Factor 1.00 1.00 1.00 1.00 1.03 1.11 0.91 1.57 <br />Incremental Delay, d2 8.1 7.1 9.4 0.4 7.8 0.6 7.8 0.2 <br />Delay (s)65.5 59.4 62.0 49.1 73.5 26.8 56.3 17.7 <br />Level of Service E E E D E C E B <br />Approach Delay (s)65.5 54.9 27.1 24.1 <br />Approach LOS E D C C <br />Intersection Summary <br />HCM 2000 Control Delay 30.9 HCM 2000 Level of Service C <br />HCM 2000 Volume to Capacity ratio 0.60 <br />Actuated Cycle Length (s) 130.0 Sum of lost time (s)18.9 <br />Intersection Capacity Utilization 55.0% ICU Level of Service A <br />Analysis Period (min)15 <br />c Critical Lane Group <br />498