Laserfiche WebLink
HCM Signalized Intersection Capacity Analysis Existing Conditions <br />5: Hesperian Blvd & Halcyon Dr/Fairmont Dr Timing Plan: PM Peak Hour <br />Fairmont/Hesperian Complete Streets Synchro 9 Report <br />DKS Associates <br />Movement EBU EBL EBT EBR WBU WBL WBT WBR NBU NBL NBT NBR <br />Lane Configurations <br />Traffic Volume (vph)6 210 630 267 6 251 380 31 3 275 605 275 <br />Future Volume (vph)6 210 630 267 6 251 380 31 3 275 605 275 <br />Ideal Flow (vphpl)1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 <br />Lane Width 12 12 12 13 12 11 12 12 12 12 12 15 <br />Total Lost time (s)4.0 4.6 4.6 4.0 4.9 4.0 4.9 4.9 <br />Lane Util. Factor 1.00 0.95 1.00 0.97 0.95 1.00 0.95 1.00 <br />Frpb, ped/bikes 1.00 1.00 0.98 1.00 1.00 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 <br />Frt 1.00 1.00 0.85 1.00 0.99 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 <br />Satd. Flow (prot)1770 3539 1595 3319 3490 1770 3539 1699 <br />Flt Permitted 0.95 1.00 1.00 0.95 1.00 0.95 1.00 1.00 <br />Satd. Flow (perm)1770 3539 1595 3319 3490 1770 3539 1699 <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)6 216 649 275 6 259 392 32 3 284 624 284 <br />RTOR Reduction (vph) 0 0 0 65 0050000167 <br />Lane Group Flow (vph) 0 222 649 210 0 265 419 0 0 287 624 117 <br />Confl. Peds. (#/hr) 9 18 9 <br />Confl. Bikes (#/hr)3 2 6 <br />Turn Type Prot Prot NA Perm Prot Prot NA Prot Prot NA Perm <br />Protected Phases 3 3 8 7 7 4 1 1 6 <br />Permitted Phases 8 6 <br />Actuated Green, G (s)20.4 30.5 30.5 16.2 26.0 24.6 53.6 53.6 <br />Effective Green, g (s)20.4 30.5 30.5 16.2 26.0 24.6 53.6 53.6 <br />Actuated g/C Ratio 0.16 0.23 0.23 0.12 0.20 0.19 0.41 0.41 <br />Clearance Time (s)4.0 4.6 4.6 4.0 4.9 4.0 4.9 4.9 <br />Vehicle Extension (s)3.0 4.0 4.0 4.0 3.0 2.0 6.0 6.0 <br />Lane Grp Cap (vph)277 830 374 413 698 334 1459 700 <br />v/s Ratio Prot c0.13 c0.18 0.08 0.12 c0.16 c0.18 <br />v/s Ratio Perm 0.13 0.07 <br />v/c Ratio 0.80 0.78 0.56 0.64 0.60 0.86 0.43 0.17 <br />Uniform Delay, d1 52.8 46.6 43.9 54.1 47.3 51.0 27.3 24.1 <br />Progression Factor 1.00 1.00 1.00 1.00 1.00 0.95 0.66 1.81 <br />Incremental Delay, d2 15.2 5.1 2.3 3.8 1.5 16.4 0.5 0.3 <br />Delay (s)68.1 51.7 46.2 57.9 48.7 64.7 18.4 44.0 <br />Level of Service E D D E D E B D <br />Approach Delay (s)53.6 52.3 35.6 <br />Approach LOS D D D <br />Intersection Summary <br />HCM 2000 Control Delay 44.2 HCM 2000 Level of Service D <br />HCM 2000 Volume to Capacity ratio 0.70 <br />Actuated Cycle Length (s) 130.0 Sum of lost time (s)17.8 <br />Intersection Capacity Utilization 89.7% ICU Level of Service E <br />Analysis Period (min) 15 <br />c Critical Lane Group <br />191