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Intersection Redesign

Intersection Redesign. New Delhi, India. Joe-Hill Court Engineering, LLC. Project Engineers: Hillary Field Courtney Sweeney Joe Zongol. Outline. Existing Conditions: Delay & Costs Alternatives: Delay & Costs Alternative 1: EB Thru w/ signalization Alternative 2: Overpass

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Intersection Redesign

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  1. Intersection Redesign New Delhi, India Joe-Hill Court Engineering, LLC Project Engineers: Hillary Field Courtney Sweeney Joe Zongol

  2. Outline • Existing Conditions: Delay & Costs • Alternatives: Delay & Costs • Alternative 1: EB Thru w/ signalization • Alternative 2: Overpass • Alternative 3:Roundabout Joe-Hill Court Engineering, LLC

  3. Calculations • Number of conflicts was determined by summing volumes of traffic in the conflict area • The accident rate factor was applied to the specific types of conflicts • Volumes were calculated for the entire year • Daily travel costs were distributed as specified in project document Joe-Hill Court Engineering, LLC

  4. Base Case • Yearly estimated delay: 4,400,000 veh-hours • Yearly volume: 6,300,000 vehicles Joe-Hill Court Engineering, LLC

  5. Base Case • Delay: 1531 veh-hrs • Delay cost: $66,000,000 • Total cost: $88,000,000 • Construction cost: $0 • No net present value or additional cost associated Joe-Hill Court Engineering, LLC

  6. Alternative 1 • Yearly estimated delay: 2,850,000 veh-hours • Yearly volume: 10,600,000 vehicles Joe-Hill Court Engineering, LLC

  7. Alternative 1 • Delay: 991.0 veh-hrs • Delay Cost: $43,000,000 • Total Cost: $45,000,000 • Savings: $43,000,000 • Net Present Value: $389,000,000 over a lifetime of 20 years Joe-Hill Court Engineering, LLC

  8. Alternative 2 • Yearly estimated delay: 640,000 veh-hours • Yearly volume: 15,000,000 vehicles • Adjustment of Synchro model yielded an overall LOS E Joe-Hill Court Engineering, LLC

  9. Alternative 2 • Delay: 224.0 veh-hrs • Delay Cost: $10,000,000 • Total Cost: $23,000,000 • Savings: $65,000,000 • Net Present Value: $377,000,000 over a lifetime of 20 years Joe-Hill Court Engineering, LLC

  10. Alternative 3 • Yearly estimated delay: 4,650,000 veh-hours • Yearly volume: 7,400,000 vehicles Joe-Hill Court Engineering, LLC

  11. Alternative 3 • Delay: 1618.0 veh-hrs • Delay Cost: $70,000,000 • Total Cost: $86,000,000 • Savings: $2,500,000 • Net Present Value: $85,500,000 over a lifetime of 20 years Joe-Hill Court Engineering, LLC

  12. Questions? Joe-Hill Court Engineering, LLC

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