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I <br /> I HCM Signalized Intersection Capacity Analysis <br /> 1: Seaway Boulevard & 75th Street SW 3/30/2015 <br /> }I -► 1. 4- k- 4\ t , \* l 4/ <br /> I Movement Eliff 4 Y .: <br /> Lane Configurations Vi ++ r vi 41, II) ++ III +t+ <br /> Volume(vph) 28 11 48 183 96 135 1057 1971 364 12 217 69 <br /> Ideal Flow(vphpl) 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <br /> Total Lost time(s) 4.5 4.5 4.0 4.5 4.5 5.0 5.0 5.0 5.0 <br /> Lane Util.Factor 0.97 0.95 1.00 0.91 0.91 0.97 0.95 0.97 0.95 <br /> I Frpb,ped/bikes 1.00 1.00 1.00 1.00 0.99 1.00 1.00 1.00 1.00 <br /> Flpb,ped/bikes 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br /> Frt 1.00 1.00 0.85 1.00 0.93 1.00 0.98 1.00 0.96 <br /> I Flt Protected 0.95 1.00 1.00 0.95 0.99 0.95 1.00 0.95 1.00 <br /> Satd.Flow(prot) 3502 3610 1615 1208 2939 3502 3461 2501 3377 <br /> Flt Permitted 0.95 1.00 1.00 0.95 0.99 0.95 1.00 0.95 1.00 <br /> Satd.Flow(perm) 3502 3610 1615 1208 2939 3502 3461 2501 3377 <br /> I 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) 30 12 52 199 104 147 1149 2142 396 13 236 75 <br /> RTOR Reduction(vph) 0 0 0 0 114 0 0 5 0 0 16 0 <br /> I Lane Group Flow(vph) 30 12 52 155 181 0 1149 2533 0 13 295 0 <br /> Confl. Peds.(#/hr) 6 4 <br /> Heavy Vehicles(%) 0% 0% 0°/0 36% 0% 3% 0% 0% 10% 40% 4% 0% <br /> Turn Type Split NA Free Split NA Prot NA Prot NA <br /> I Protected Phases 4 4 8 8 5 2 1 6 <br /> Permitted Phases Free <br /> Actuated Green,G(s) 4.8 4.8 135.8 22.3 22.3 35.2 83.2 6.5 54.5 <br /> I Effective Green,g(s) 4.8 4.8 135.8 22.3 22.3 35.2 83.2 6.5 54.5 <br /> Actuated g/C Ratio 0.04 0.04 1.00 0.16 0.16 0.26 0.61 0.05 0.40 <br /> Clearance Time(s) 4.5 4.5 4.5 4.5 5.0 5.0 5.0 5.0 <br /> Vehicle Extension(s) 2.0 2.0 3.0 3.0 2.0 2.0 2.0 2.0 <br /> I Lane Grp Cap(vph) 124 128 1615 198 483 908 2120 120 1355 <br /> v/s Ratio Prot c0.01 0.00 c0.13 0.06 0.33 c0.73 0.01 c0.09 <br /> v/s Ratio Perm 0.03 <br /> I v/c Ratio 0.24 0.09 0.03 0.78 0.38 1.27 1.19 0.11 0.22 <br /> Uniform Delay,d1 63.7 63.4 0.0 54.4 50.5 50.3 26.3 61.9 26.7 <br /> Progression Factor 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br /> Incremental Delay, d2 0.4 0.1 0.0 18.0 0.5 128.2 92.6 0.1 0.4 <br /> I Delay(s) 64.1 63.5 0.0 72.5 51.0 178.5 118.9 62.0 27,0 <br /> Level of Service E E A E D F F E C <br /> Approach Delay(s) 28.6 58.4 137.5 28.4 <br /> I Approach LOS C E F C <br /> Intersection Summary <br /> HCM Average Control Delay 119.7 HCM Level of Service F <br /> I HCM Volume to Capacity ratio 0.98 <br /> Actuated Cycle Length(s) 135.8 Sum of lost time(s) 14.0 <br /> Intersection Capacity Utilization 97.4% ICU Level of Service F <br /> Analysis Period(min) 15 <br /> Ic Critical Lane Group <br /> I <br /> No-Build Alt 3/13/2015 2018 PM Synchro 8 Report <br /> B.Powell Page 1 <br />