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Texas Coastal Bend Population: 400,000

The Hurricane Brett Experience Ismael Soto, P.E. Texas Dept. of Transportation Corpus Christi District. Background. Texas Coastal Bend Population: 400,000 Evacuation time: ~ 29 hrs --- (Category 5 Hurricane). Pre-Hurricane Brett.

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Texas Coastal Bend Population: 400,000

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  1. The Hurricane Brett ExperienceIsmael Soto, P.E.Texas Dept. of Transportation Corpus Christi District

  2. Background • Texas Coastal Bend • Population: 400,000 • Evacuation time: ~ 29 hrs ---(Category 5 Hurricane)

  3. Pre-Hurricane Brett • Hurricane Allen - 1980 • TxDOT in process of completing IH-37 connecting Corpus Christi and San Antonio • Interstate completed • Hurricane Gilbert - 1989 • IH-37 / US 77 Interchange completed • Included $1.7 m Contra-flow Transition Area

  4. Hurricane BrettLandfall 4:00 p.m., Sunday, August 22, 1999 • Saturday morning • Category 2 • Destination: Central Mexico • Saturday evening • Category 4 • Destination: Texas Coastal Bend • 3-5 hour average delay exiting Corpus Christi to San Antonio (normal drive 2-1/2 hours) • Population evacuated was 28% • Contra-flow was not implemented

  5. Post Hurricane Brett • Development of region wide Hurricane Evacuation Committee to study the IH-37 Contra-flow issue • Texas Transportation Institute (TTI) modeled 14 alternatives using CORSIM • Consensus was plan to Contra-flow 90 miles of IH-37 • Estimates show Contra-flow would increase capacity by 50% (Equivalent capacity of adding one additional lane at a cost of $75-100 million)

  6. Questions ?

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