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HCM Signalized Intersection Capacity Analysis Existing Conditions <br />24: Hesperian Blvd & Drew St 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)1 0 2 56 0 61 8 1149 115 48 1270 2 <br />Future Volume (vph)1 0 2 56 0 61 8 1149 115 48 1270 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 0.97 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 0.91 0.93 1.00 1.00 0.85 1.00 1.00 0.85 <br />Flt Protected 0.98 0.98 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (prot)1643 1670 1711 4916 1484 1770 4916 1459 <br />Flt Permitted 0.94 0.85 0.19 1.00 1.00 0.22 1.00 1.00 <br />Satd. Flow (perm)1565 1447 335 4916 1484 403 4916 1459 <br />Peak-hour factor, PHF 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 <br />Adj. Flow (vph)1 0 2 59 0 64 8 1209 121 51 1337 2 <br />RTOR Reduction (vph)03005300031000 <br />Lane Group Flow (vph)000070081209 90 51 1337 2 <br />Confl. Peds. (#/hr) 5 7 7 5 5 15 <br />Confl. Bikes (#/hr)3 <br />Turn Type Perm NA Perm NA Perm NA Perm Perm NA Perm <br />Protected Phases 4826 <br />Permitted Phases 4 8 2 2 6 6 <br />Actuated Green, G (s)7.5 7.5 48.5 48.5 48.5 48.5 48.5 48.5 <br />Effective Green, g (s)7.5 7.5 48.5 48.5 48.5 48.5 48.5 48.5 <br />Actuated g/C Ratio 0.12 0.12 0.75 0.75 0.75 0.75 0.75 0.75 <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)180 166 249 3668 1107 300 3668 1088 <br />v/s Ratio Prot 0.25 c0.27 <br />v/s Ratio Perm 0.00 c0.05 0.02 0.06 0.13 0.00 <br />v/c Ratio 0.00 0.42 0.03 0.33 0.08 0.17 0.36 0.00 <br />Uniform Delay, d1 25.4 26.7 2.1 2.8 2.2 2.4 2.9 2.1 <br />Progression Factor 1.00 1.00 0.89 1.04 1.34 2.43 2.66 2.26 <br />Incremental Delay, d2 0.0 1.7 0.2 0.2 0.1 0.8 0.2 0.0 <br />Delay (s)25.4 28.5 2.1 3.1 3.1 6.6 7.8 4.7 <br />Level of Service C C AAAAAA <br />Approach Delay (s)25.4 28.5 3.1 7.8 <br />Approach LOS C C A A <br />Intersection Summary <br />HCM 2000 Control Delay 6.5 HCM 2000 Level of Service A <br />HCM 2000 Volume to Capacity ratio 0.37 <br />Actuated Cycle Length (s) 65.0 Sum of lost time (s)9.0 <br />Intersection Capacity Utilization 52.2% ICU Level of Service A <br />Analysis Period (min) 15 <br />c Critical Lane Group <br />501