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I <br /> 1 HCM Signalized Intersection Capacity Analysis <br /> 2: PUD Driveway & 75th Street SW 3/30/2015 <br /> I --+ c � 4\ <br /> '''. ..<„ ri. as.;Ap - WB T 51 ',::r .i_ 4 R.;.„.,.v. ,. :, :'&.t+iE <br /> Lane Configurations 11+ 'I 4' <br /> I Volume(vph) 415 148 42 490 26 10 <br /> Ideal Flow(vphpl) 1900 1900 1900 1900 1900 1900 <br /> Total Lost time(s) 5.0 5.0 5.0 4.5 <br /> Lane Util.Factor 0.95 1.00 1.00 1.00 <br /> Frpb,ped/bikes 0.99 1.00 1.00 1.00 <br /> Flpb, ped/bikes 1.00 1.00 1.00 1.00 <br /> Frt 0.96 1.00 1.00 0.96 <br /> I Flt Protected 1.00 0.95 1.00 0.97 <br /> Satd.Flow(prot) 3087 1637 1681 1129 <br /> Flt Permitted 1.00 0.42 1.00 0.97 <br /> Satd.Flow(perm) 3087 724 1681 1129 <br /> I Peak-hour factor, PHF 0.92 0.92 0.92 0.92 0.92 0.92 <br /> Adj.Flow(vph) 451 161 46 533 28 11 <br /> RTOR Reduction(vph) 23 0 0 0 10 0 <br /> I Lane Group Flow(vph) 589 0 46 533 29 0 <br /> Confl.Peds.(#/hr) 3 3 <br /> Heavy Vehicles(%) 15% 2% 10% 13% 67% 29% <br /> Turn Type NA Perm NA NA <br /> I Protected Phases 6 2 4 <br /> Permitted Phases 2 <br /> Actuated Green,G(s) 45.2 45.2 45,2 3.2 <br /> I Effective Green,g(s) 45.2 45.2 45.2 3.2 <br /> Actuated g/C Ratio 0.78 0.78 0.78 0.06 <br /> Clearance Time(s) 5.0 5.0 5.0 4.5 <br /> Vehicle Extension(s) 1.0 1.0 1.0 3.0 <br /> I Lane Grp Cap(vph) 2410 565 1312 62 <br /> v/s Ratio Prot 0.19 c0.32 c0.03 <br /> v/s Ratio Perm 0.06 <br /> v/c Ratio 0.24 0.08 0.41 0.46 <br /> Uniform Delay,dl 1.7 1.5 2.0 26.5 <br /> Progression Factor 1.00 1.00 1.00 1.00 <br /> Incremental Delay,d2 0.2 0.3 0.9 5.4 <br /> Delay(s) 2.0 1.8 3.0 31.9 <br /> Level of Service A A A C <br /> Approach Delay(s) 2.0 2.9 31.9 <br /> I Approach LOS A A C <br /> Intersection Summary <br /> HCM Average Control Delay 3.3 HCM Level of Service A <br /> I HCM Volume to Capacity ratio 0.41 <br /> Actuated Cycle Length(s) 57.9 Sum of lost time(s) 9.5 <br /> Intersection Capacity Utilization 47.8% ICU Level of Service A <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 2 <br /> I <br />