Hurricane Katrina: Performance of Transportation Systems is a comprehensive evaluation of the gulf coast's bridge, railroad, and roadway performance following Hurricane Katrina. While the failure of the levees in New Orleans attracted most media attention, other infrastructure also suffered significant damage. Throughout the gulf coast, bridges sustained minor to major damage, with several in Mississippi and Louisiana completely collapsing. Similarly, countless railways and roads were impeded by massive piles of debris. This book is thorough and compelling account of Hurricane Katrina's devastating impact upon the gulf coast's major transportation systems. Topics in this report include: Overview of Hurricane Katrina and Damage; Emergency Preparedness; Highway Bridges, Railroad, and Roadway Performance and Repair; Rerouting and Traffic Demands; Impact on New Design; and, Conclusions and Lessons Learned.