Laserfiche WebLink
HCM Signalized Intersection Capacity Analysis Buildout No Project AM <br />13: Tassajara Rd & I-580 WB <br />Synchro 11 Report <br />Page 12 <br />Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR <br />Lane Configurations <br />Traffic Volume (vph)0 0 0 550 0 350 0 1430 480 0 1060 870 <br />Future Volume (vph)0 0 0 550 0 350 0 1430 480 0 1060 870 <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 2.1 4.0 4.0 <br />Lane Util. Factor 0.97 0.88 0.95 1.00 0.91 1.00 <br />Frt 1.00 0.85 1.00 0.85 1.00 0.85 <br />Flt Protected 0.95 1.00 1.00 1.00 1.00 1.00 <br />Satd. Flow (prot)3433 2787 3539 1583 5085 1583 <br />Flt Permitted 0.95 1.00 1.00 1.00 1.00 1.00 <br />Satd. Flow (perm)3433 2787 3539 1583 5085 1583 <br />Peak-hour factor, 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) 0 0 0 579 0 368 0 1505 505 0 1116 916 <br />RTOR Reduction (vph)000006100191000 <br />Lane Group Flow (vph) 0 0 0 579 0 307 0 1505 314 0 1116 916 <br />Turn Type Prot Perm NA Perm NA Free <br />Protected Phases 4 6 2 <br />Permitted Phases 4 4 6 Free <br />Actuated Green, G (s)7.6 7.6 21.1 21.1 21.1 40.0 <br />Effective Green, g (s)9.0 9.0 23.0 24.9 23.0 40.0 <br />Actuated g/C Ratio 0.22 0.22 0.58 0.62 0.58 1.00 <br />Clearance Time (s)5.4 5.4 5.9 5.9 5.9 <br />Vehicle Extension (s)5.0 5.0 5.0 5.0 5.0 <br />Lane Grp Cap (vph)772 627 2034 985 2923 1583 <br />v/s Ratio Prot 0.17 c0.43 0.22 <br />v/s Ratio Perm 0.11 0.20 c0.58 <br />v/c Ratio 0.75 0.49 0.74 0.32 0.38 0.58 <br />Uniform Delay, d1 14.5 13.5 6.3 3.6 4.6 0.0 <br />Progression Factor 1.00 1.00 1.00 1.00 1.00 1.00 <br />Incremental Delay, d2 4.9 1.3 2.5 0.9 0.4 1.5 <br />Delay (s)19.3 14.8 8.8 4.4 5.0 1.5 <br />Level of Service B B A A A A <br />Approach Delay (s)0.0 17.6 7.7 3.4 <br />Approach LOS ABAA <br />Intersection Summary <br />HCM 2000 Control Delay 7.8 HCM 2000 Level of Service A <br />HCM 2000 Volume to Capacity ratio 0.77 <br />Actuated Cycle Length (s) 40.0 Sum of lost time (s)8.0 <br />Intersection Capacity Utilization 61.9% ICU Level of Service B <br />Analysis Period (min)15 <br />c Critical Lane Group