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HCM Signalized Intersection Capacity Analysis Approved No Project PM <br />15: I-680 NB & Sunol Blvd <br />Synchro 11 Report <br />Page 14 <br />Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR <br />Lane Configurations <br />Traffic Volume (vph) 400 670 0 0 380 480 20 10 800 0 0 0 <br />Future Volume (vph) 400 670 0 0 380 480 20 10 800 0 0 0 <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 2.7 <br />Lane Util. Factor 1.00 1.00 0.91 1.00 1.00 0.88 <br />Frpb, ped/bikes 1.00 1.00 1.00 0.98 1.00 1.00 <br />Flpb, ped/bikes 1.00 1.00 1.00 1.00 1.00 1.00 <br />Frt 1.00 1.00 1.00 0.85 1.00 0.85 <br />Flt Protected 0.95 1.00 1.00 1.00 0.97 1.00 <br />Satd. Flow (prot)1770 1863 5085 1548 1803 2787 <br />Flt Permitted 0.95 1.00 1.00 1.00 0.97 1.00 <br />Satd. Flow (perm)1770 1863 5085 1548 1803 2787 <br />Peak-hour factor, PHF 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 0.93 <br />Adj. Flow (vph) 430 720 0 0 409 516 22 11 860 0 0 0 <br />RTOR Reduction (vph)00000195000000 <br />Lane Group Flow (vph) 430 720 0 0 409 321 0 33 860 0 0 0 <br />Confl. Bikes (#/hr)3 <br />Turn Type Prot NA NA Perm Split NA Free <br />Protected Phases 1 6 2 4 4 <br />Permitted Phases 2 Free <br />Actuated Green, G (s) 18.0 47.4 25.4 25.4 2.0 60.0 <br />Effective Green, g (s) 18.0 48.7 26.7 26.7 3.3 60.0 <br />Actuated g/C Ratio 0.30 0.81 0.44 0.44 0.05 1.00 <br />Clearance Time (s)4.0 5.3 5.3 5.3 5.3 <br />Vehicle Extension (s) 3.0 3.0 3.0 3.0 3.0 <br />Lane Grp Cap (vph) 531 1512 2262 688 99 2787 <br />v/s Ratio Prot c0.24 c0.39 0.08 0.02 <br />v/s Ratio Perm 0.21 c0.31 <br />v/c Ratio 0.81 0.48 0.18 0.47 0.33 0.31 <br />Uniform Delay, d1 19.4 1.7 10.0 11.7 27.3 0.0 <br />Progression Factor 1.11 0.71 1.00 1.00 1.00 1.00 <br />Incremental Delay, d2 6.8 0.8 0.0 0.5 2.0 0.3 <br />Delay (s)28.4 2.0 10.1 12.2 29.3 0.3 <br />Level of Service C A B B C A <br />Approach Delay (s)11.9 11.2 1.4 0.0 <br />Approach LOS BBAA <br />Intersection Summary <br />HCM 2000 Control Delay 8.5 HCM 2000 Level of Service A <br />HCM 2000 Volume to Capacity ratio 0.64 <br />Actuated Cycle Length (s) 60.0 Sum of lost time (s)12.3 <br />Intersection Capacity Utilization 66.0% ICU Level of Service C <br />Analysis Period (min) 15 <br />c Critical Lane Group