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LSU HURRICANE CENTER

Highway Design and Traffic Control for Hurricane Evacuation. LSU HURRICANE CENTER. Aspects of Current Design Plans. Brian Wolshon Dept. of Civil and Env. Engineering. Addressing Hurricanes and Other Hazards and Their Impacts On the Natural, Built and Human Environments.

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LSU HURRICANE CENTER

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  1. Highway Design and Traffic Control for Hurricane Evacuation LSU HURRICANE CENTER Aspects of Current Design Plans Brian Wolshon Dept. of Civil and Env. Engineering Addressing Hurricanes and Other Hazards and Their Impacts On the Natural, Built and Human Environments

  2. Initiation & Termination Designs • The location and configuration of initiation points are based on local concerns and existing road network, geography, and terrain. • Median cross-over • Interchange ramp connections LSU HURRICANE CENTER • Termination designs also vary. Although, typically, the goal is not to merge the traffic streams. • Permanent split • “Bleed-off” and merge • Exit “normal” flow & x-over contraflow • Exit contraflow and re-route

  3. New Orleans Contraflow Segments LSU HURRICANE CENTER

  4. New Orleans Evacuation Routes

  5. New Orleans Contraflow Initiation Point • Westbound I-10/Loyal Drive Interchange • Median Crossover

  6. New Orleans Contraflow Termination Point • Westbound I-10/I-55 Drive Interchange • Median Crossover

  7. Other Contraflow Initiation Points LSU HURRICANE CENTER

  8. Alabama DOT I-65 Initiation Point Temporary Signs and Barrels Variable Message Signs DOT personnel on site Quantity Summary

  9. Emergency Contact List NCDOT I-40 InitiationPoint Traffic Control Signal Settings Personnel Req’mts DMS Messages

  10. Other Contraflow Termination Points LSU HURRICANE CENTER

  11. Alabama DOT I-65 Termination Point “Normal” Traffic is Tapered to a Single Lane Contraflow Traffic is Split

  12. NCDOT I-40 Termination Point Contraflow Traffic Exits

  13. Note: 2-way crossover for contraflow re-entry

  14. SCDOT I-26 Interchange Ramp Initiation Point

  15. Design Plans Features LSU HURRICANE CENTER

  16. Alabama DOT I-65Typical Interchange Off-Ramp Reentry to Contraflow Lanes All On-Ramps open for exiting “Flip Down” Contraflow Guidance Signs

  17. Georgia DOT I-16Typical Interchange(without on-ramp exiting) No Off-Ramp Reentry to Contraflow Lanes On and Off-Ramps closed using Type III Barricades

  18. With On-Ramp Exiting No Off-Ramp Reentry to Contraflow Lanes On and Off-Ramps Closed Using Water Filled Barricades

  19. Florida DOT I-4Typical Interchange No On-Ramp Exiting or Off-Ramp Reentry from/to Contraflow Lanes

  20. Emergency Contact Lists TexDOT I-37 Reversal Plan Instruction List

  21. Enforcement Configurations and Personnel Locations

  22. TexDOT I-37 Emergency Vehicle Circulation Plan Parallel and frontage roads are used for emergency vehicle circulation I-37 Corpus Christi to San Antonio

  23. Interstate 10 LSU Campus Traffic Recording Stations

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