Laserfiche WebLink
HCM Signalized Intersection Capacity Analysis Cumulative TOD <br />7: E. 14th Street & Fairmont Dr PM Peak Hour <br />Fairmont/Hesperian Complete Streets Synchro 9 Report <br />DKS Associates <br />Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR <br />Lane Configurations <br />Traffic Volume (vph) 185 870 483 143 520 140 258 672 114 378 1092 178 <br />Future Volume (vph) 185 870 483 143 520 140 258 672 114 378 1092 178 <br />Ideal Flow (vphpl)1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <br />Lane Width 12 12 12 12 12 11 10 12 12 12 12 12 <br />Total Lost time (s)3.7 4.6 4.6 3.7 4.6 4.6 3.7 4.6 3.7 4.6 <br />Lane Util. Factor 1.00 0.95 1.00 0.97 0.95 1.00 1.00 0.95 1.00 0.91 <br />Frpb, ped/bikes 1.00 1.00 0.95 1.00 1.00 0.97 1.00 0.99 1.00 1.00 <br />Flpb, ped/bikes 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 1.00 0.85 1.00 0.98 1.00 0.98 <br />Flt Protected 0.95 1.00 1.00 0.95 1.00 1.00 0.95 1.00 0.95 1.00 <br />Satd. Flow (prot)1770 3539 1505 3433 3539 1482 1652 3441 1770 4956 <br />Flt Permitted 0.95 1.00 1.00 0.95 1.00 1.00 0.95 1.00 0.95 1.00 <br />Satd. Flow (perm)1770 3539 1505 3433 3539 1482 1652 3441 1770 4956 <br />Peak-hour factor, PHF 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 0.98 <br />Adj. Flow (vph)189 888 493 146 531 143 263 686 116 386 1114 182 <br />RTOR Reduction (vph) 0 0 258 0 0 109 0 13 0 0 21 0 <br />Lane Group Flow (vph) 189 888 235 146 531 34 263 789 0 386 1275 0 <br />Confl. Peds. (#/hr) 27 16 23 15 <br />Confl. Bikes (#/hr)2 10 6 <br />Turn Type Prot NA Perm Prot NA Perm Prot NA Prot NA <br />Protected Phases 3 8 7 4 1 6 5 2 <br />Permitted Phases 8 4 <br />Actuated Green, G (s) 10.3 29.1 29.1 5.8 24.6 24.6 17.9 31.8 21.7 35.6 <br />Effective Green, g (s) 10.3 29.1 29.1 5.8 24.6 24.6 17.9 31.8 21.7 35.6 <br />Actuated g/C Ratio 0.10 0.28 0.28 0.06 0.23 0.23 0.17 0.30 0.21 0.34 <br />Clearance Time (s)3.7 4.6 4.6 3.7 4.6 4.6 3.7 4.6 3.7 4.6 <br />Vehicle Extension (s) 2.0 2.0 2.0 2.0 2.0 2.0 2.0 4.0 2.0 4.0 <br />Lane Grp Cap (vph) 173 980 417 189 829 347 281 1042 365 1680 <br />v/s Ratio Prot c0.11 c0.25 0.04 c0.15 c0.16 0.23 c0.22 c0.26 <br />v/s Ratio Perm 0.16 0.02 <br />v/c Ratio 1.09 0.91 0.56 0.77 0.64 0.10 0.94 0.76 1.06 0.76 <br />Uniform Delay, d1 47.4 36.6 32.5 48.9 36.2 31.5 43.0 33.1 41.6 30.9 <br />Progression Factor 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 <br />Incremental Delay, d2 95.3 11.4 1.0 16.2 1.3 0.0 36.2 5.1 63.1 3.3 <br />Delay (s)142.6 48.1 33.6 65.1 37.5 31.5 79.2 38.2 104.7 34.2 <br />Level of Service F D C E D C E D F C <br />Approach Delay (s)54.9 41.4 48.4 50.4 <br />Approach LOS DDDD <br />Intersection Summary <br />HCM 2000 Control Delay 49.9 HCM 2000 Level of Service D <br />HCM 2000 Volume to Capacity ratio 0.92 <br />Actuated Cycle Length (s) 105.0 Sum of lost time (s)16.6 <br />Intersection Capacity Utilization 90.4% ICU Level of Service E <br />Analysis Period (min) 15 <br />c Critical Lane Group <br />232