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HCM Signalized Intersection Capacity Analysis 7.A. - Page 282 <br /> 3: Middlefield Rd & Willow St 6/19/2012 <br /> � � � � � � � � � � i � <br /> Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR <br /> Lane Configurations � �� � � �"� �� "� � <br /> Volume(vph) 100 610 390 185 660 15 510 25 105 15 25 65 <br /> Ideal Flow(vphpl) 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <br /> Total Lost time(s) 4.0 4.2 4.2 4.0 4.2 4.0 4.0 4.0 <br /> Lane Util. Factor 1.00 0.95 1.00 1.00 0.95 0.97 1.00 1.00 <br /> Frpb,ped/bikes 1.00 1.00 0.97 1.00 1.00 1.00 0.98 1.00 <br /> Flpb,ped/bikes 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 1.00 1.00 0.88 0.92 <br /> Flt Protected 0.95 1.00 1.00 0.95 1.00 0.95 1.00 0.99 <br /> Satd. Flow(prot) 1765 3539 1529 1767 3523 3433 1612 1695 <br /> Flt Permitted 0.29 1.00 1.00 0.31 1.00 0.95 1.00 0.99 <br /> Satd. Flow(perm) 536 3539 1529 581 3523 3433 1612 1695 <br /> Peak-hourfactor, PHF 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 0.95 <br /> Adj. Flow(vph) 105 642 411 195 695 16 537 26 111 16 26 68 <br /> RTOR Reduction(vph) 0 0 165 0 2 0 0 84 0 0 62 0 <br /> Lane Group Flow(vph) 105 642 246 195 709 0 537 53 0 0 48 0 <br /> Confl. Peds.(#/hr) 18 11 11 18 9 9 <br /> Turn Type pm+pt Perm pm+pt Split Split <br /> Protected Phases 5 2 1 6 8 8 4 4 <br /> Permitted Phases 2 2 6 <br /> Actuated Green,G(s) 35.2 30.7 30.7 36.4 31.3 19.3 19.3 6.8 <br /> Effective Green,g (s) 35.2 30.7 30.7 36.4 31.3 � 19.3 19.3 � 6.8 � <br /> Actuated g/C Ratio 0.45 0.39 0.39 0.47 0.40 0.25 0.25 0.09 <br /> Clearance Time(s) 4.0 4.2 4.2 4.0 4.2 4.0 4.0 4.0 <br /> Vehicle Extension(s) 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 <br /> Lane Grp Cap(vph) 312 1391 601 348 1412 848 398 148 <br /> v/s Ratio Prot 0.02 0.18 c0.04 0.20 c0.16 0.03 c0.03 <br /> v/s Ratio Perm 0.13 0.16 c0.22 <br /> v/c Ratio 0.34 0.46 0.41 0.56 0.50 0.63 0.13 0.32 <br /> Uniform Delay,d1 12.9 17.6 17.1 13.1 17.6 26.2 22.9 33.5 <br /> Progression Factor 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br /> Incremental Delay,d2 0.6 1.1 2.1 2.1 1.3 1.6 0.2 1.3 <br /> Delay(s) 13.6 18.7 19.2 15.1 18.8 27.8 23.0 34.8 <br /> Level of Service B B B B B C C C <br /> Approach Delay(s) 18.4 18.0 26.8 34.8 <br /> Approach LOS B B C C <br /> Intersection Summary <br /> HCM Average Control Delay 20.9 HCM Level of Service C <br /> HCM Volume to Capacity ratio 0.53 <br /> Actuated Cycle Length(s) - 78.1 Sum of lost time(s) - 12.0 <br /> Intersection Capacity Utilization 67.0% ICU Level of Service C <br /> Analysis Period(min) 15 <br /> c Critical Lane Group <br /> 6/13/2012 2012 Saturday Midday Peak Hour Synchro 7- Report <br /> Page 2 <br />