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HCM Signalized Intersection Capacity Analysis Approved No Project AM <br />1: Santa Rita Rd & W Las Positas Blvd <br />Synchro 11 Report <br />Page 1 <br />Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR <br />Lane Configurations <br />Traffic Volume (vph) 270 240 230 220 390 90 650 960 130 100 1160 620 <br />Future Volume (vph) 270 240 230 220 390 90 650 960 130 100 1160 620 <br />Ideal Flow (vphpl)1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <br />Total Lost time (s)4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 <br />Lane Util. Factor 0.97 0.95 1.00 0.97 0.95 0.97 0.91 1.00 0.97 0.91 1.00 <br />Frpb, ped/bikes 1.00 1.00 0.91 1.00 1.00 1.00 1.00 0.98 1.00 1.00 0.98 <br />Flpb, ped/bikes 1.00 1.00 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 0.97 1.00 1.00 0.85 1.00 1.00 0.85 <br />Flt Protected 0.95 1.00 1.00 0.95 1.00 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (prot)3433 3539 1433 3433 3430 3433 5085 1556 3433 5085 1551 <br />Flt Permitted 0.95 1.00 1.00 0.95 1.00 0.95 1.00 1.00 0.95 1.00 1.00 <br />Satd. Flow (perm)3433 3539 1433 3433 3430 3433 5085 1556 3433 5085 1551 <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) 287 255 245 234 415 96 691 1021 138 106 1234 660 <br />RTOR Reduction (vph) 0 0 181 0 17 0 0 0 75 0 0 0 <br />Lane Group Flow (vph) 287 255 64 234 494 0 691 1021 63 106 1234 660 <br />Confl. Peds. (#/hr)82 1 1 27 <br />Confl. Bikes (#/hr)2 9 1 <br />Turn Type Prot NA Perm Prot NA Prot NA Perm Prot NA Free <br />Protected Phases 3 8 7 4 1 6 5 2 <br />Permitted Phases 8 6 Free <br />Actuated Green, G (s) 13.7 29.8 29.8 10.6 26.7 26.0 53.6 53.6 7.2 34.8 120.0 <br />Effective Green, g (s) 13.7 31.2 31.2 10.6 28.1 26.0 55.0 55.0 7.2 36.2 120.0 <br />Actuated g/C Ratio 0.11 0.26 0.26 0.09 0.23 0.22 0.46 0.46 0.06 0.30 1.00 <br />Clearance Time (s)4.0 5.4 5.4 4.0 5.4 4.0 5.4 5.4 4.0 5.4 <br />Vehicle Extension (s) 1.8 1.8 1.8 1.8 1.8 1.8 5.0 5.0 1.8 5.0 <br />Lane Grp Cap (vph) 391 920 372 303 803 743 2330 713 205 1533 1551 <br />v/s Ratio Prot c0.08 0.07 c0.07 c0.14 c0.20 0.20 0.03 c0.24 <br />v/s Ratio Perm 0.04 0.04 0.43 <br />v/c Ratio 0.73 0.28 0.17 0.77 0.62 0.93 0.44 0.09 0.52 0.80 0.43 <br />Uniform Delay, d1 51.4 35.4 34.4 53.5 41.1 46.1 22.0 18.4 54.7 38.6 0.0 <br />Progression Factor 1.00 1.00 1.00 1.00 1.00 1.03 0.94 1.86 0.74 0.68 1.00 <br />Incremental Delay, d2 6.0 0.1 0.1 10.6 1.0 15.1 0.5 0.2 0.7 3.5 0.6 <br />Delay (s)57.4 35.5 34.5 64.1 42.1 62.7 21.2 34.3 41.2 30.0 0.6 <br />Level of Service E D C E D E CCDCA <br />Approach Delay (s)43.2 49.0 37.7 20.9 <br />Approach LOS DDDC <br />Intersection Summary <br />HCM 2000 Control Delay 33.8 HCM 2000 Level of Service C <br />HCM 2000 Volume to Capacity ratio 0.78 <br />Actuated Cycle Length (s) 120.0 Sum of lost time (s)16.0 <br />Intersection Capacity Utilization 88.3% ICU Level of Service E <br />Analysis Period (min)15 <br />c Critical Lane Group