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<br /> HCM Signalized Intersection Capacity Analysis Existing Condition - Saturday <br /> 1: 183rd Street & Collins Avenue AM Peak Hour <br /> ,1 ~ .. ~ +- '- "" t ~ '. + .; <br /> Movement EBL EBT EaR WBl WBT WBR NBL NBT NBR SBL SBT SBR <br /> Lane Configurations 4' r' .;. " ttt. " ttt. <br /> Volume (vph) 177 1 99 4 2 1 99 1441 3 20 1581 98 <br /> Ideal Flow (vphpl) 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <br /> Total lost time (s) 5.0 5.0 5.0 3.0 5.0 3.0 5.0 <br /> Lane Util. Factor 1.00 1.00 1.00 1.00 0.91 1.00 0.91 <br /> Frt 1.00 0.85 0.98 1.00 1.00 1.00 0.99 <br /> Fit Protected 0.95 1.00 0.97 0.95 1.00 0.95 1.00 <br /> Satd. Flow (prot) 1774 1583 1812 1787 5134 1787 5091 <br /> Fit Pennitted 0.72 1.00 0.88 0.09 1.00 0.14 1.00 <br /> Satd. Flow (penn) 1347 1583 1631 166 5134 261 5091 <br /> Peak-hour factor, PHF 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 0.94 <br />Adj. Flow (vph) 188 1 105 4 2 1 105 1533 3 21 1682 104 <br />RTOR Reduction (vph) 0 0 86 0 1 0 0 0 0 0 5 0 <br />lane Group Flow (vph) 0 189 19 0 6 0 105 1536 0 21 1781 0 <br />Heavy Vehicles (%) 2% 2% 2% 0% 0% 0% 1% 1% 1% 1% 1% 1% <br />Tum Type Penn Penn Penn pm+pt pm+pt <br />Protected Phases 8 4 1 6 5 2 <br />Permitted Phases 8 8 4 6 2 <br />Actuated Green, G (s) 21.6 21.6 21.6 88.4 82.4 82.2 79.2 <br />Effective Green, g (s) 21.6 21.6 21.6 88.4 82.4 82.2 79.2 <br />Actuated glC Ratio 0.18 0.18 0.18 0.74 0.69 0.69 0.66 <br />Clearance Time (s) 5.0 5.0 5.0 3.0 5.0 3.0 5.0 <br />Vehicle Extension (s) 2.5 2.5 2.5 2.0 1.0 5.0 1.0 <br />lane Grp Cap (vph) 242 285 294 206 3525 217 3360 <br />vis Ratio Prot cO.03 0.30 0.00 cO.35 <br />vis Ratio Penn cO.14 0.01 0.00 0.35 0.06 <br />vie Ratio 0.78 0.07 0.02 0.51 0.44 0.10 0.53 <br />Uniform Delay, d1 46.9 40.8 40.5 8.0 8.4 6.4 10.7 <br />Progression Factor 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br />Incremental Delay, d2 14.5 0.1 0.0 0.7 0.4 0.4 0.6 <br />Delay (s) 61.5 40.9 40.5 8.7 8.8 6.8 11.3 <br />Level of Service E D D A A A B <br />Approach Delay (s) 54.1 40.5 8.8 11.2 <br />Approach LOS D D A B <br />Intersection Summary <br />HCM Average Control Delay 13.6 HCM level of Service B <br />HCM Volume to Capacity ratio 0.58 <br />Actuated Cycle length (s) 120.0 Sum of lost time (s) 13.0 <br />Intersection Capacity Utilization 65.3% ICU Level of Service C <br />Analysis Period (min) 15 <br />c Critical Lane Group <br /> <br />Collins Aveune at 183rd Street <br />Driveway Analysis <br /> <br />April 2011 <br />Synchro 7 - Report <br />