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HCM Signalized Intersection Capacity Analysis Existing Conditions <br />10: Hesperian Blvd & Thornally 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)27 6 67 287 6 77 28 712 406 187 794 20 <br />Future Volume (vph)27 6 67 287 6 77 28 712 406 187 794 20 <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 11 11 12 <br />Total Lost time (s)4.5 4.5 4.5 4.5 4.5 5.0 5.0 4.5 5.0 5.0 <br />Lane Util. Factor 1.00 0.95 0.95 1.00 1.00 0.91 1.00 1.00 0.91 1.00 <br />Frpb, ped/bikes 0.97 1.00 1.00 0.99 1.00 1.00 0.97 1.00 1.00 0.96 <br />Flpb, ped/bikes 1.00 0.97 0.97 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br />Frt 0.91 1.00 1.00 0.85 1.00 1.00 0.85 1.00 1.00 0.85 <br />Flt Protected 0.99 0.95 0.95 1.00 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (prot)1645 1604 1616 1531 1805 4730 1502 1711 4916 1548 <br />Flt Permitted 0.29 0.69 0.66 1.00 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (perm)491 1159 1114 1531 1805 4730 1502 1711 4916 1548 <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)29 7 73 312 7 84 30 774 441 203 863 22 <br />RTOR Reduction (vph) 0 53 0 0 0 61 0 0 214 0 0 17 <br />Lane Group Flow (vph) 0 56 0 159 160 23 30 774 227 203 863 5 <br />Confl. Peds. (#/hr) 2 29 29 2 8 13 13 8 <br />Heavy Vehicles (%)0% 0% 1% 4% 0% 4% 0% 6% 1% 2% 2% 0% <br />Turn Type Perm NA Perm NA Perm Prot NA Perm Prot NA Perm <br />Protected Phases 3 4 5 2 1 6 <br />Permitted Phases 3 4 4 2 6 <br />Actuated Green, G (s)33.0 33.0 33.0 33.0 6.0 29.5 29.5 6.0 29.5 29.5 <br />Effective Green, g (s)33.0 33.0 33.0 33.0 6.0 29.5 29.5 6.0 29.5 29.5 <br />Actuated g/C Ratio 0.28 0.28 0.28 0.28 0.05 0.25 0.25 0.05 0.25 0.25 <br />Clearance Time (s)4.5 4.5 4.5 4.5 4.5 5.0 5.0 4.5 5.0 5.0 <br />Vehicle Extension (s)4.0 4.0 4.0 4.0 2.0 6.0 6.0 2.0 6.0 6.0 <br />Lane Grp Cap (vph)135 318 306 421 90 1162 369 85 1208 380 <br />v/s Ratio Prot 0.02 0.16 c0.12 c0.18 <br />v/s Ratio Perm c0.11 0.14 c0.14 0.02 0.15 0.00 <br />v/c Ratio 0.42 0.50 0.52 0.05 0.33 0.67 0.61 2.39 0.71 0.01 <br />Uniform Delay, d1 35.6 36.6 36.8 32.0 55.1 40.8 40.2 57.0 41.4 34.2 <br />Progression Factor 1.00 1.00 1.00 1.00 1.06 0.83 1.03 1.11 0.84 1.00 <br />Incremental Delay, d2 9.2 5.5 6.3 0.2 8.8 2.8 6.8 659.0 3.6 0.1 <br />Delay (s)44.8 42.1 43.1 32.3 67.3 36.6 48.2 722.4 38.4 34.3 <br />Level of Service D D D C E D D F D C <br />Approach Delay (s)44.8 40.4 41.4 166.0 <br />Approach LOS D D D F <br />Intersection Summary <br />HCM 2000 Control Delay 89.0 HCM 2000 Level of Service F <br />HCM 2000 Volume to Capacity ratio 0.65 <br />Actuated Cycle Length (s) 120.0 Sum of lost time (s)18.5 <br />Intersection Capacity Utilization 90.0% ICU Level of Service E <br />Analysis Period (min) 15 <br />c Critical Lane Group <br />492