sr 60 “twin pairs” - City of Vero Beach
sr 60 “twin pairs” - City of Vero Beach
sr 60 “twin pairs” - City of Vero Beach
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HCM Signalized Intersection Capacity Analysis<br />
5: 14 Avenue & SR <strong>60</strong> EB<br />
11/13/2012<br />
Movement EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR<br />
Lane Configurations<br />
Volume (vph) 52 634 47 0 0 0 0 202 42 49 306 0<br />
Ideal Flow (vphpl) 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900<br />
Lane Width 12 11 12 12 12 12 12 12 12 12 12 12<br />
Total Lost time (s) 4.2 4.1 4.1 3.6 4.1<br />
Lane Util. Factor 0.95 1.00 1.00 1.00 1.00<br />
Frpb, ped/bikes 1.00 1.00 0.98 1.00 1.00<br />
Flpb, ped/bikes 1.00 1.00 1.00 1.00 1.00<br />
Frt 0.99 1.00 0.85 1.00 1.00<br />
Flt Protected 1.00 1.00 1.00 0.95 1.00<br />
Satd. Flow (prot) 3021 1676 1391 1589 1676<br />
Flt Permitted 1.00 1.00 1.00 0.39 1.00<br />
Satd. Flow (perm) 3021 1676 1391 651 1676<br />
Peak-hour factor, PHF 0.64 0.78 0.71 1.00 1.00 1.00 1.00 0.86 0.72 0.57 0.79 1.00<br />
Adj. Flow (vph) 81 813 66 0 0 0 0 235 58 86 387 0<br />
RTOR Reduction (vph) 0 8 0 0 0 0 0 0 44 0 0 0<br />
Lane Group Flow (vph) 0 952 0 0 0 0 0 235 14 86 387 0<br />
Confl. Peds. (#/hr) 10 10 10 10<br />
Parking (#/hr) 10<br />
Turn Type Perm NA NA Perm pm+pt NA<br />
Protected Phases 2 8 7 4<br />
Permitted Phases 2 8 4<br />
Actuated Green, G (s) 25.9 13.0 13.0 23.8 23.8<br />
Effective Green, g (s) 26.9 14.0 14.0 24.8 24.8<br />
Actuated g/C Ratio 0.45 0.23 0.23 0.41 0.41<br />
Clearance Time (s) 5.2 5.1 5.1 4.6 5.1<br />
Vehicle Extension (s) 3.0 3.0 3.0 3.0 3.0<br />
Lane Grp Cap (vph) 1354 391 324 381 692<br />
v/s Ratio Prot 0.14 0.03 c0.23<br />
v/s Ratio Perm 0.32 0.01 0.07<br />
v/c Ratio 0.70 0.<strong>60</strong> 0.04 0.23 0.56<br />
Uniform Delay, d1 13.3 20.5 17.8 11.3 13.4<br />
Progression Factor 1.49 1.00 1.00 1.64 1.41<br />
Incremental Delay, d2 3.0 2.6 0.1 0.2 0.5<br />
Delay (s) 22.8 23.1 17.9 18.7 19.4<br />
Level <strong>of</strong> Service C C B B B<br />
Approach Delay (s) 22.8 0.0 22.1 19.3<br />
Approach LOS C A C B<br />
Intersection Summary<br />
HCM 2000 Control Delay 21.7 HCM 2000 Level <strong>of</strong> Service C<br />
HCM 2000 Volume to Capacity ratio 0.68<br />
Actuated Cycle Length (s) <strong>60</strong>.0 Sum <strong>of</strong> lost time (s) 11.9<br />
Intersection Capacity Utilization 71.2% ICU Level <strong>of</strong> Service C<br />
Analysis Period (min) 15<br />
c Critical Lane Group<br />
PM Peak 5:00 pm 11/7/2012 2035 build conditions Synchro 7 - Report<br />
Page 5
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