T14 signal retiming results-manwell

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  • 1. Signal Retiming Improvements inSt. Johns CountyPresented by:In Association With:April 23, 2013APWA PRESENTATION

2. US 1Traffic Signal LocationsWal-Mart EntranceShore DriveOld Moultrie RoadShores Blvd.Wildwood DriveLewis Point RoadWatson Road 3. US 1Signal Retiming ResultsCorridor Results:Length of Corridor, 4.6 milesBenefitsWeekday Delay Reduction per Year (Hours): 161,511Weekday Cost Savings per Year (Time): $1,395,458Weekend Delay Reduction per Year (Hours): 48,435Weekend Cost Savings per Year (Time): $418,474Weekday Fuel Reduction per Year (gal): 213,735Weekday Cost Savings per Year (Cost of Fuel $3.70/gal): $790,821Weekend Fuel Reduction per Year (gal): 41,915Weekend Cost Savings per Year (Cost of Fuel $3.70/gal): $155,084Cost Savings per Year (Reduced Emissions): $9,726Reduced CO emissions, 17.6 Metric Tons per YearReduced NOx emissions, 3.4 Metric Tons per YearReduced VOC emissions, 4.1 Metric Tons per YearTotal Cost Savings per Year: $2,769,563_______________________________________________________________CostsRetiming Cost per Intersection: $8,653Cost of Retiming 7 Intersections: $60,571_______________________________________________________________Benefit-to-Cost Ratio, 46:1 4. SR A1ATraffic Signal LocationsSR 312Sea Grove Drive / A StreetCR A1A / Beach BoulevardOcean Trace RoadPope Road16th StreetDondanville Road 5. SR A1ASignal Retiming ResultsCorridor Results:Length of Corridor, 3.2 milesBenefitsWeekday Delay Reduction per Year (Hours): 122,051Weekday Cost Savings per Year (Time): $1,054,518Weekend Delay Reduction per Year (Hours): 43,403Weekend Cost Savings per Year (Time): $375,005Weekday Fuel Reduction per Year (gal): 233,996Weekday Cost Savings per Year (Cost of Fuel $3.70/gal): $865,786Weekend Fuel Reduction per Year (gal): 40,468Weekend Cost Savings per Year (Cost of Fuel $3.70/gal): $149,731Cost Savings per Year (Reduced Emissions): $10,616Reduced CO emissions, 19.2 Metric Tons per YearReduced NOx emissions, 3.7 Metric Tons per YearReduced VOC emissions, 4.5 Metric Tons per YearTotal Cost Savings per Year: $2,455,656_______________________________________________________________CostsRetiming Cost per Intersection: $8,653Cost of Retiming 7 Intersections: $60,571_______________________________________________________________Benefit-to-Cost Ratio, 41:1 6. SR 13Traffic Signal LocationsFruit Cove Woods Drive /Edgewater DriveDavis Pond BoulevardRoberts RoadRace Track Road /Fruit Cove Road 7. SR 13Signal Retiming ResultsCorridor Results:Length of Corridor, 2.0 milesBenefitsWeekday Delay Reduction per Year (Hours): 332,655Weekday Cost Savings per Year (Time): $2,873,616Weekend Delay Reduction per Year (Hours): 41,297Weekend Cost Savings per Year (Time): $356,728Weekday Fuel Reduction per Year (gal): 103,160Weekday Cost Savings per Year (Cost of Fuel $3.70/gal): $381,693Weekend Fuel Reduction per Year (gal): 48,693Weekend Cost Savings per Year (Cost of Fuel $3.70/gal): $180,163Cost Savings per Year (Reduced Emissions): $5,859Reduced CO emissions, 10.6 Metric Tons per YearReduced NOx emissions, 2.1 Metric Tons per YearReduced VOC emissions, 2.5 Metric Tons per YearTotal Cost Savings per Year: $3,798,060_______________________________________________________________CostsRetiming Cost per Intersection: $8,653Cost of Retiming 4 Intersections: $34,612_______________________________________________________________Benefit-to-Cost Ratio, 110:1 8. SR 207Traffic Signal LocationsSR 312Holmes Boulevard /Rolling Hills DriveLightsey RoadWildwood DriveHilltop Road 9. SR 207Signal Retiming ResultsCorridor Results:Length of Corridor, 4.0 milesBenefitsWeekday Delay Reduction per Year (Hours): 55,550Weekday Cost Savings per Year (Time): $479,950Weekend Delay Reduction per Year (Hours): 29,059Weekend Cost Savings per Year (Time): $251,070Weekday Fuel Reduction per Year (gal): 93,044Weekday Cost Savings per Year (Cost of Fuel $3.70/gal): $344,263Weekend Fuel Reduction per Year (gal): 30,437Weekend Cost Savings per Year (Cost of Fuel $3.70/gal): $112,616Cost Savings per Year (Reduced Emissions): $4,707Reduced CO emissions, 8.6 Metric Tons per YearReduced NOx emissions, 1.7 Metric Tons per YearReduced VOC emissions, 2.0 Metric Tons per YearTotal Cost Savings per Year: $1,192,606_______________________________________________________________CostsRetiming Cost per Intersection: $8,653Cost of Retiming 5 Intersections: $43,265_______________________________________________________________Benefit-to-Cost Ratio, 28:1 10. QUESTIONS?Mark ManwellEngland-Thims & Miller, Inc.manwellm@etminc.com(904) 265-3203Fred KyleProsser Hallock, Inc.fkyle@prosserhallock.com(904) 739-3655Signal Retiming Improvementsin St. Johns County