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Trip Generation for Street and Highways

Trip Generation for Street and Highways. Lecture 14 CE 4720 Norman Garrick. Trip Generation Calculations for Street and Highway Construction. Storrs Center. Storrs Center Google Earth The Site. Wetlands. Forest Reserve. Storrs Center Google Earth The Site Constraints.

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Trip Generation for Street and Highways

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  1. Trip Generation for Street and Highways Lecture 14 CE 4720 Norman Garrick

  2. Trip Generation Calculations forStreet and Highway Construction

  3. Storrs Center Norman W. Garrick

  4. Storrs Center Google Earth The Site Norman W. Garrick

  5. Wetlands Forest Reserve Storrs Center Google Earth The Site Constraints Norman W. Garrick

  6. Storrs Center Google Earth The Site Built Area Norman W. Garrick

  7. Storrs Center Norman W. Garrick

  8. Storrs Center Model Norman W. Garrick

  9. Storrs Center Model Village Road Norman W. Garrick

  10. Storrs Center Google Earth Norman W. Garrick

  11. Storrs Center 195 Problem Norman W. Garrick

  12. Storrs Center Importance of the Network Norman W. Garrick

  13. ITE Trip Generation Manual Proposed size of project Using TG Manual without Correction Estimated number of trip ends = 24,600 Norman W. Garrick

  14. Using TG Manual with Correction for Mixed Use Estimated number of trip ends = 15,900 It is very important to remember that this total includes walking, biking and transit trips Not just car trips Norman W. Garrick

  15. 360 State, New Haven Trip Generation

  16. 360 State, New Haven trip Generation over predict trips The 360 State Street was estimated to produce 674 PM peak hour vehicle trips Requiring the construction of 500 parking spaces Live monitoring shows only 116 trips (17% of what was predicted) - Mixed Use Trip Generation Model (New Haven and SCRCOG)

  17. LOS, Volume CapacitySample Calculation A two lane urban street has an ADT of 20,000 vehicles per day. Estimate what fraction of the year this street will operate at i) LOS E, ii) LOS D. Do this calculation for directional splits of 50% and 60%. The hourly volume distribution and the design hour service volumes are given on the following sheets.

  18. Traffic Distribution Hour volume as % of ADT Number of Hours with traffic great than shown

  19. Design Hour Service Volume Urban Streets with Frequent Signal Controlled Intersections Source: http://www.dot.state.fl.us/planning/systems/sm/los/pdfs/lostables.pdf Assumptions: > 4.5 Signalized intersection, 1.5 % heavy traffic, 12 % left turn, 12 % right turn

  20. Ocean Springs – Biloxi Bridge

  21. Biloxi – Gulfport Region

  22. Ocean Springs – Biloxi Bridge Location

  23. Ocean Springs – Biloxi BridgeADT Pre-Construction

  24. Design Hour Service Volume Source: AASHTO 1990

  25. LOS, Volume CapacityOcean Springs – Biloxi Bridge Estimate the level of service for the Ocean Springs – Biloxi Bridge.

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