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HCM Signalized Intersection Capacity Analysis Buildout Plus Project AM 15: I-680 NB & Sunol Blvd Synchro 11 Report Page 15 Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations Traffic Volume (vph) 170 550 0 0 1350 470 40 0 700 0 0 0 Future Volume (vph) 170 550 0 0 1350 470 40 0 700 0 0 0 Ideal Flow (vphpl)1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 Total Lost time (s)4.0 4.0 4.0 4.0 4.0 2.7 Lane Util. Factor 1.00 1.00 0.91 1.00 1.00 0.88 Frt 1.00 1.00 1.00 0.85 1.00 0.85 Flt Protected 0.95 1.00 1.00 1.00 0.95 1.00 Satd. Flow (prot)1770 1845 5085 1583 1543 2787 Flt Permitted 0.95 1.00 1.00 1.00 0.95 1.00 Satd. Flow (perm)1770 1845 5085 1583 1543 2787 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 Adj. Flow (vph) 181 585 0 0 1436 500 43 0 745 0 0 0 RTOR Reduction (vph)00000242000000 Lane Group Flow (vph) 181 585 0 0 1436 258 0 43 745 0 0 0 Heavy Vehicles (%)2% 3% 2% 2% 2% 2% 17% 2% 2% 2% 2% 2% Turn Type Prot NA NA Perm Split NA Free Protected Phases 1 6 2 4 4 Permitted Phases 2 Free Actuated Green, G (s) 6.5 32.4 21.9 21.9 2.0 45.0 Effective Green, g (s) 6.5 33.7 23.2 23.2 3.3 45.0 Actuated g/C Ratio 0.14 0.75 0.52 0.52 0.07 1.00 Clearance Time (s)4.0 5.3 5.3 5.3 5.3 Vehicle Extension (s) 3.0 3.0 3.0 3.0 3.0 Lane Grp Cap (vph) 255 1381 2621 816 113 2787 v/s Ratio Prot c0.10 0.32 c0.28 0.03 v/s Ratio Perm 0.16 c0.27 v/c Ratio 0.71 0.42 0.55 0.32 0.38 0.27 Uniform Delay, d1 18.4 2.1 7.4 6.3 19.9 0.0 Progression Factor 1.00 1.00 1.00 1.00 1.00 1.00 Incremental Delay, d2 8.7 0.2 0.8 1.0 2.1 0.2 Delay (s)27.1 2.3 8.2 7.3 22.0 0.2 Level of Service C A A A C A Approach Delay (s)8.1 8.0 1.4 0.0 Approach LOS AAAA Intersection Summary HCM 2000 Control Delay 6.5 HCM 2000 Level of Service A HCM 2000 Volume to Capacity ratio 0.58 Actuated Cycle Length (s) 45.0 Sum of lost time (s)12.0 Intersection Capacity Utilization 52.7% ICU Level of Service A Analysis Period (min) 15 c Critical Lane Group