United States Department of Transportation
i
Best Practices for Road Weather Management Version 3.0: South Carolina DOT Hurricane Traffic Evacuation Operations
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2012-01-01
[PDF-75.11 KB]
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Abstract:South Carolina has an extensive network of designated evacuation routes for motorists to use should there be a need to vacate coastal areas for a hurricane. There are twelve major evacuation routes, each approximately 100 miles long. From these twelve, one interstate and three primary routes can be reversed for higher evacuation traffic capacity leading away from the coast. All evacuation routes are “loaded” with vehicles from a designated area of the coast. Traffic is directed by signs and law enforcement to ensure maximum utilization of each route and to avoid over capacity of others. High coastal population numbers will present a capacity challenge to most routes used for evacuation. By aggressively managing traffic flow during evacuation, a higher probability of minimal drive times and reduced frustration for motorists will be realized.
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