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HCM Signalized Intersection Capacity Analysis Existing Conditions <br />10: Hesperian Blvd & Thornally 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)25 7 49 378 9 168 65 1022 185 83 940 28 <br />Future Volume (vph)25 7 49 378 9 168 65 1022 185 83 940 28 <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)4.5 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 0.96 1.00 1.00 0.98 1.00 1.00 0.97 1.00 1.00 0.92 <br />Flpb, ped/bikes 1.00 0.96 0.96 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br />Frt 0.92 1.00 1.00 0.85 1.00 1.00 0.85 1.00 1.00 0.85 <br />Flt Protected 0.98 0.95 0.95 1.00 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (prot)1637 1607 1620 1544 1770 4964 1477 1687 5136 1480 <br />Flt Permitted 0.30 0.70 0.67 1.00 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (perm)500 1184 1142 1544 1770 4964 1477 1687 5136 1480 <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)27 8 53 411 10 183 71 1111 201 90 1022 30 <br />RTOR Reduction (vph) 0 39 0 0 0 134 0 0 66 0 0 22 <br />Lane Group Flow (vph) 0 49 0 210 211 49 71 1111 135 90 1022 8 <br />Confl. Peds. (#/hr) 3 42 42 3 22 10 10 22 <br />Heavy Vehicles (%)0% 0% 2% 2% 0% 3% 2% 1% 3% 7% 1% 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)35.1 35.1 35.1 35.1 8.1 33.2 33.2 8.1 33.2 33.2 <br />Effective Green, g (s)35.1 35.1 35.1 35.1 8.1 33.2 33.2 8.1 33.2 33.2 <br />Actuated g/C Ratio 0.27 0.27 0.27 0.27 0.06 0.26 0.26 0.06 0.26 0.26 <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)135 319 308 416 110 1267 377 105 1311 377 <br />v/s Ratio Prot 0.04 c0.22 c0.05 0.20 <br />v/s Ratio Perm c0.10 0.18 c0.18 0.03 0.09 0.01 <br />v/c Ratio 0.37 0.66 0.69 0.12 0.65 0.88 0.36 0.86 0.78 0.02 <br />Uniform Delay, d1 38.4 42.1 42.5 35.8 59.5 46.4 39.7 60.4 45.0 36.2 <br />Progression Factor 1.00 1.00 1.00 1.00 1.19 0.86 0.71 0.91 0.84 1.00 <br />Incremental Delay, d2 7.5 10.2 11.7 0.6 25.0 8.5 2.6 54.4 4.5 0.1 <br />Delay (s)45.9 52.3 54.2 36.4 95.9 48.4 30.7 109.2 42.3 36.3 <br />Level of Service D D D D F D C F D D <br />Approach Delay (s)45.9 48.2 48.2 47.5 <br />Approach LOS DDDD <br />Intersection Summary <br />HCM 2000 Control Delay 47.9 HCM 2000 Level of Service D <br />HCM 2000 Volume to Capacity ratio 0.65 <br />Actuated Cycle Length (s) 130.0 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 />499