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HCM Signalized Intersection Capacity Analysis Approved No Project PM <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) 600 370 640 180 150 80 430 1340 170 110 1080 350 <br />Future Volume (vph) 600 370 640 180 150 80 430 1340 170 110 1080 350 <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 0.98 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 0.95 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 1550 3433 3339 3433 5085 1559 3433 5085 1557 <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 1550 3433 3339 3433 5085 1559 3433 5085 1557 <br />Peak-hour factor, PHF 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 0.97 <br />Adj. Flow (vph) 619 381 660 186 155 82 443 1381 175 113 1113 361 <br />RTOR Reduction (vph) 0 0 260 0 59 0 0 0 80 0 0 0 <br />Lane Group Flow (vph) 619 381 400 186 178 0 443 1381 95 113 1113 361 <br />Confl. Peds. (#/hr)5 1 1 14 <br />Confl. Bikes (#/hr)5 4 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) 25.4 32.8 32.8 9.4 16.8 19.1 52.0 52.0 7.0 39.9 120.0 <br />Effective Green, g (s) 25.4 34.2 34.2 9.4 18.2 19.1 53.4 53.4 7.0 41.3 120.0 <br />Actuated g/C Ratio 0.21 0.29 0.29 0.08 0.15 0.16 0.44 0.44 0.06 0.34 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) 726 1008 441 268 506 546 2262 693 200 1750 1557 <br />v/s Ratio Prot 0.18 0.11 c0.05 0.05 c0.13 0.27 0.03 c0.22 <br />v/s Ratio Perm c0.26 0.06 0.23 <br />v/c Ratio 0.85 0.38 0.91 0.69 0.35 0.81 0.61 0.14 0.56 0.64 0.23 <br />Uniform Delay, d1 45.5 34.4 41.4 53.9 45.6 48.7 25.4 19.7 55.0 33.0 0.0 <br />Progression Factor 1.00 1.00 1.00 1.00 1.00 0.45 0.26 0.02 1.10 0.35 1.00 <br />Incremental Delay, d2 9.2 0.1 21.5 6.2 0.2 4.1 0.6 0.2 1.9 1.6 0.3 <br />Delay (s)54.7 34.5 62.8 60.1 45.8 26.3 7.2 0.5 62.2 13.2 0.3 <br />Level of Service D C E E D C AAEBA <br />Approach Delay (s)53.3 52.1 10.8 13.8 <br />Approach LOS D D B B <br />Intersection Summary <br />HCM 2000 Control Delay 27.2 HCM 2000 Level of Service C <br />HCM 2000 Volume to Capacity ratio 0.76 <br />Actuated Cycle Length (s) 120.0 Sum of lost time (s)16.0 <br />Intersection Capacity Utilization 76.2% ICU Level of Service D <br />Analysis Period (min)15 <br />c Critical Lane Group