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HCM Signalized Intersection Capacity Analysis Existing Optimized Conditions <br />10: Hesperian Blvd & Thornally Dr Timing Plan: AM 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)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 0.99 0.99 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 1626 1638 1531 1805 4730 1502 1711 4916 1548 <br />Flt Permitted 0.87 0.27 0.28 1.00 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (perm)1442 458 475 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 65 0 0 0 61 0 0 212 0 0 13 <br />Lane Group Flow (vph) 0 44 0 159 160 23 30 774 229 203 863 9 <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)12.7 33.0 33.0 33.0 4.1 29.3 29.3 26.5 51.7 51.7 <br />Effective Green, g (s)12.7 33.0 33.0 33.0 4.1 29.3 29.3 26.5 51.7 51.7 <br />Actuated g/C Ratio 0.11 0.28 0.28 0.28 0.03 0.24 0.24 0.22 0.43 0.43 <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)152 125 130 421 61 1154 366 377 2117 666 <br />v/s Ratio Prot 0.02 c0.16 c0.12 0.18 <br />v/s Ratio Perm c0.03 c0.35 0.34 0.02 0.15 0.01 <br />v/c Ratio 0.29 1.27 1.23 0.05 0.49 0.67 0.63 0.54 0.41 0.01 <br />Uniform Delay, d1 49.5 43.5 43.5 32.0 56.9 41.0 40.5 41.3 23.6 19.6 <br />Progression Factor 1.00 1.00 1.00 1.00 0.70 0.69 0.82 0.97 1.23 1.00 <br />Incremental Delay, d2 1.4 170.7 153.7 0.1 2.1 2.9 7.3 0.7 0.6 0.0 <br />Delay (s)50.9 214.2 197.2 32.1 41.7 31.0 40.6 40.7 29.6 19.6 <br />Level of Service D F F CDCDDCB <br />Approach Delay (s)50.9 169.5 34.7 31.5 <br />Approach LOS D F C C <br />Intersection Summary <br />HCM 2000 Control Delay 53.2 HCM 2000 Level of Service D <br />HCM 2000 Volume to Capacity ratio 0.78 <br />Actuated Cycle Length (s) 120.0 Sum of lost time (s)18.5 <br />Intersection Capacity Utilization 69.3% ICU Level of Service C <br />Analysis Period (min) 15 <br />c Critical Lane Group <br />506