Supporting Documentation · Jun 3, 2026
20 2026 01 21 Eagle Rock Ave and Oval Road Laurel Avenue Traffic Signal Design Report
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Lanes, Volumes, Timings 2027 Build (Signalized) 1: Laurel Avenue (CR 634) & Eagle Rock Avenue (CR 611) AM Peak Hour Lane Group EBT EBR WBL WBT NBL NBR Storage Cap Reductn 0 0 0 0 0 Reduced v/c Ratio 0.59 0.85 0.22 0.46 0.45 Intersection Summary Area Type: Other Cycle Length: 90 Actuated Cycle Length: 90 Offset: 0 (0%), Referenced to phase 2:EBT and 6:WBTL, Start of Yellow, Master Intersection Natural Cycle: 80 Control Type: Actuated-Coordinated Maximum v/c Ratio: 0.85 Intersection Signal Delay (s/veh): 18.6 Intersection LOS: B Intersection Capacity Utilization 84.4% ICU Level of Service E Analysis Period (min) 15 # 95th percentile volume exceeds capacity, queue may be longer. Queue shown is maximum after two cycles. Splits and Phases: 1: Laurel Avenue (CR 634) & Eagle Rock Avenue (CR 611) Scenario 1 2027 Build (Signalized) 11:52 am 01/21/2026 AM Peak Hour Synchro 12 Report Langan Page 3
Lanes, Volumes, Timings 2027 Build (Signalized) 2: Crestmont Country Club Drwy/Oval Road & Eagle Rock Avenue (CR 611) AM Peak Hour Lane Group EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Lane Configurations Traffic Volume (vph) 68 509 0 0 735 48 1 0 1 111 0 165 Future Volume (vph) 68 509 0 0 735 48 1 0 1 111 0 165 Ideal Flow (vphpl) 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 1900 Lane Width (ft) 11 11 12 12 11 11 12 12 12 11 12 13 Storage Length (ft) 150 0 140 0 0 0 0 0 Storage Lanes 1 0 0 0 1 0 1 1 Taper Length (ft) 50 50 25 25 Lane Util. Factor 1.00 0.95 1.00 1.00 0.95 0.95 1.00 1.00 1.00 1.00 1.00 1.00 Frt 0.991 0.850 0.850 Flt Protected 0.950 0.950 0.950 Satd. Flow (prot) 1745 3388 0 0 3386 0 1805 1615 0 1711 0 1652 Flt Permitted 0.281 0.950 0.615 Satd. Flow (perm) 516 3388 0 0 3386 0 1805 1615 0 1107 0 1652 Right Turn on Red Yes Yes Yes Yes Satd. Flow (RTOR) 9 405 172 Link Speed (mph) 40 40 25 25 Link Distance (ft) 830
172 Link Speed (mph) 40 40 25 25 Link Distance (ft) 830 376 327 217 Travel Time (s) 14.1 6.4 8.9 5.9 Peak Hour Factor 0.96 0.96 0.92 0.92 0.96 0.96 0.92 0.92 0.92 0.96 0.92 0.96 Heavy Vehicles (%) 0% 3% 0% 0% 2% 4% 0% 0% 0% 2% 0% 1% Adj. Flow (vph) 71 530 0 0 766 50 1 0 1 116 0 172 Shared Lane Traffic (%) Lane Group Flow (vph) 71 530 0 0 816 0 1 1 0 116 0 172 Enter Blocked Intersection No No No No No No No No No No No No Lane Alignment Left Left Right Left Left Right Left Left Right Left Left Right Median Width(ft) 11 11 12 12 Link Offset(ft) 0 0 0 0 Crosswalk Width(ft) 16 16 16 16 Two way Left Turn Lane Headway Factor 1.04 1.04 1.00 1.00 1.04 1.04 1.00 1.00 1.00 1.04 1.00 0.96 Turning Speed (mph) 15 9 15 9 15 9 15 9 Number of Detectors 1 2 2 1 2 1 2 1 Detector Template Left Thru Thru Left Thru Left Thru Right Leading Detector (ft) 20 100 100 20 100 20 100 20 Trailing Detector (ft) 0 0 0 0 0 0 0 0 Detector 1 Position(ft) 0 0
100 20 Trailing Detector (ft) 0 0 0 0 0 0 0 0 Detector 1 Position(ft) 0 0 0 0 0 0 0 Detector 1 Size(ft) 20 6 6 20 6 20 20 Detector 1 Type Cl+Ex Cl+Ex Cl+Ex Cl+Ex Cl+Ex Cl+Ex Cl+Ex Detector 1 Channel Detector 1 Extend (s) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Detector 1 Queue (s) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Detector 1 Delay (s) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Detector 2 Position(ft) 94 94 94 Detector 2 Size(ft) 6 6 6 Detector 2 Type Cl+Ex Cl+Ex Cl+Ex Detector 2 Channel Detector 2 Extend (s) 0.0 0.0 0.0 Turn Type pm+pt NA NA pm+pt NA pm+pt Perm Scenario 1 2027 Build (Signalized) 11:52 am 01/21/2026 AM Peak Hour Synchro 12 Report Langan Page 4
Lanes, Volumes, Timings 2027 Build (Signalized) 2: Crestmont Country Club Drwy/Oval Road & Eagle Rock Avenue (CR 611) AM Peak Hour Lane Group EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Protected Phases 5 2 6 3 8 7 Permitted Phases 2 8 4 4 Detector Phase 5 2 6 3 8 7 4 Switch Phase Minimum Initial (s) 7.0 48.0 37.0 15.0 7.0 15.0 7.0 Minimum Split (s) 11.0 54.0 43.0 18.0 14.0 18.0 14.0 Total Split (s) 11.0 54.0 43.0 22.0 14.0 22.0 14.0 Total Split (%) 12.2% 60.0% 47.8% 24.4% 15.6% 24.4% 15.6% Maximum Green (s) 8.0 48.0 37.0 19.0 7.0 19.0 7.0 Yellow Time (s) 3.0 4.0 4.0 3.0 3.0 3.0 3.0 All-Red Time (s) 0.0 2.0 2.0 0.0 4.0 0.0 4.0 Lost Time Adjust (s) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Total Lost Time (s) 3.0 6.0 6.0 3.0 7.0 3.0 7.0 Lead/Lag Lead Lag Lead Lag Lead Lag Lead-Lag Optimize? Yes Yes Yes Yes Yes Yes Vehicle Extension (s) 2.0 2.0 2.0 3.0 2.0 2.0 2.0 Recall Mode None C-Min C-Min None None None None Act Effct Green (s) 66.3 63.3 55.1 18.5 7.7 17.9 10.1 Actuated g/C Ratio 0.74 0.70 0.61
None Act Effct Green (s) 66.3 63.3 55.1 18.5 7.7 17.9 10.1 Actuated g/C Ratio 0.74 0.70 0.61 0.21 0.09 0.20 0.11 v/c Ratio 0.15 0.22 0.39 0.00 0.00 0.36 0.51 Control Delay (s/veh) 9.3 10.6 11.6 23.0 0.0 32.2 11.9 Queue Delay 0.0 0.0 0.0 0.0 0.0 0.0 0.0 Total Delay (s/veh) 9.3 10.6 11.6 23.0 0.0 32.2 11.9 LOS A B B C A C B Approach Delay (s/veh) 10.5 11.6 11.5 20.0 Approach LOS B B B C 90th %ile Green (s) 7.8 48.3 37.5 15.0 10.7 15.0 10.7 90th %ile Term Code Gap Coord Coord Min Hold Min Gap 70th %ile Green (s) 7.0 66.0 56.0 0.0 0.0 15.0 11.0 70th %ile Term Code Min Coord Coord Skip Skip Min Hold 50th %ile Green (s) 7.0 66.0 56.0 0.0 0.0 15.0 11.0 50th %ile Term Code Min Coord Coord Skip Skip Min Hold 30th %ile Green (s) 7.0 66.0 56.0 0.0 0.0 15.0 11.0 30th %ile Term Code Min Coord Coord Skip Skip Min Hold 10th %ile Green (s) 0.0 70.0 70.0 0.0 7.0 0.0 7.0 10th %ile Term Code Skip Coord Coord Skip Hold Skip Min Stops (vph) 32 265 395 2 0 89 27 Fuel Used(gal)
Skip Hold Skip Min Stops (vph) 32 265 395 2 0 89 27 Fuel Used(gal) 1 7 11 0 0 2 1 CO Emissions (g/hr) 58 459 746 1 0 108 85 NOx Emissions (g/hr) 11 89 145 0 0 21 16 VOC Emissions (g/hr) 13 106 173 0 0 25 20 Dilemma Vehicles (#) 0 39 43 0 0 0 0 Queue Length 50th (ft) 14 75 110 1 0 61 0 Queue Length 95th (ft) m50 170 243 4 0 84 58 Internal Link Dist (ft) 750 296 247 137 Turn Bay Length (ft) 150 Base Capacity (vph) 488 2381 2076 436 509 395 338 Starvation Cap Reductn 0 0 0 0 0 0 0 Spillback Cap Reductn 0 0 0 0 0 0 0 Scenario 1 2027 Build (Signalized) 11:52 am 01/21/2026 AM Peak Hour Synchro 12 Report Langan Page 5
Lanes, Volumes, Timings 2027 Build (Signalized) 2: Crestmont Country Club Drwy/Oval Road & Eagle Rock Avenue (CR 611) AM Peak Hour Lane Group EBL EBT EBR WBL WBT WBR NBL NBT NBR SBL SBT SBR Storage Cap Reductn 0 0 0 0 0 0 0 Reduced v/c Ratio 0.15 0.22 0.39 0.00 0.00 0.29 0.51 Intersection Summary Area Type: Other Cycle Length: 90 Actuated Cycle Length: 90 Offset: 74 (82%), Referenced to phase 2:EBTL and 6:WBT, Start of Yellow Natural Cycle: 90 Control Type: Actuated-Coordinated Maximum v/c Ratio: 0.51 Intersection Signal Delay (s/veh): 12.6 Intersection LOS: B Intersection Capacity Utilization 63.6% ICU Level of Service B Analysis Period (min) 15 m Volume for 95th percentile queue is metered by upstream signal. Splits and Phases: 2: Crestmont Country Club Drwy/Oval Road & Eagle Rock Avenue (CR 611) Scenario 1 2027 Build (Signalized) 11:52 am 01/21/2026 AM Peak Hour Synchro 12 Report Langan Page 6
Lanes, Volumes, Timings 2027 Build (Signalized) 1: Laurel Avenue (CR 634) & Eagle Rock Avenue (CR 611) PM Peak Hour Lane Group EBT EBR WBL WBT NBL NBR Lane Configurations Traffic Volume (vph) 451 274 281 318 462 408 Future Volume (vph) 451 274 281 318 462 408 Ideal Flow (vphpl) 1900 1900 1900 1900 1900 1900 Lane Width (ft) 11 12 11 11 12 12 Storage Length (ft) 0 575 0 0 Storage Lanes 0 1 1 1 Taper Length (ft) 50 25 Lane Util. Factor 0.95 0.95 1.00 0.95 1.00 1.00 Frt 0.943 0.850 Flt Protected 0.950 0.950 Satd. Flow (prot) 3278 0 1728 3455 1805 1615 Flt Permitted 0.214 0.950 Satd. Flow (perm) 3278 0 389 3455 1805 1615 Right Turn on Red Yes Yes Satd. Flow (RTOR) 150 426 Link Speed (mph) 40 40 35 Link Distance (ft) 265 830 204 Travel Time (s) 4.5 14.1 4.0 Peak Hour Factor 0.93 0.93 0.93 0.93 0.93 0.93 Heavy Vehicles (%) 0% 1% 1% 1% 0% 0% Adj. Flow (vph) 485 295 302 342 497 439 Shared Lane Traffic (%) Lane Group Flow (vph) 780 0 302 342 497 439 Enter Blocked Intersection No No No No No No Lane Alignment Left Right Left Left Left Right Median Width(ft) 10 11 12 Link Offset(ft) 0 0 25 Crosswalk Width(ft) 35 15 16 Two way Left Turn Lane Headway
11 12 Link Offset(ft) 0 0 25 Crosswalk Width(ft) 35 15 16 Two way Left Turn Lane Headway Factor 1.04 1.00 1.04 1.04 1.00 1.00 Turning Speed (mph) 9 15 15 9 Number of Detectors 2 1 2 1 1 Detector Template Thru Left Thru Left Right Leading Detector (ft) 100 20 100 20 20 Trailing Detector (ft) 0 0 0 0 0 Detector 1 Position(ft) 0 0 0 0 0 Detector 1 Size(ft) 6 20 6 20 20 Detector 1 Type Cl+Ex Cl+Ex Cl+Ex Cl+Ex Cl+Ex Detector 1 Channel Detector 1 Extend (s) 0.0 0.0 0.0 0.0 0.0 Detector 1 Queue (s) 0.0 0.0 0.0 0.0 0.0 Detector 1 Delay (s) 0.0 0.0 0.0 0.0 0.0 Detector 2 Position(ft) 94 94 Detector 2 Size(ft) 6 6 Detector 2 Type Cl+Ex Cl+Ex Detector 2 Channel Detector 2 Extend (s) 0.0 0.0 Turn Type NA pm+pt NA Prot Prot Scenario 2 2027 Build (Signalized) 10:26 am 01/21/2026 PM Peak Hour Synchro 12 Report Langan Page 1
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- Sep 29, 2026
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