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Delaware Department of Transportation

Delaware Strategic Highway Safety Plan


DSHSP project rumble strips

Median Barrier

DSHSP project rumble strips

A median crossover crash, a form of a roadway departure, occurs when a vehicle leaves the left side of a divided roadway, crosses the median and strikes a vehicle on the opposing side of the highway. These crashes can cause serious injuries or fatalities as they tend to occur on higher speed roadways and typically are head-on crashes.

A countermeasure to prevent median crossover crashes is to install some form of median barrier. Median barriers can come in the forms of concrete barriers, steel guardrails, or high-tension cable barrier—all separating two directions of travel. DelDOT has been working to prevent median crossover crashes on all of Delaware’s freeways by installing either guardrail or high-tension cable barrier in medians.

DSHSP project

DSHSP project
The first section of high-tension cable barrier was installed in 2010 along SR 1, and since then high-tension cable barrier has been installed along the entire freeway portion of SR 1 between Tybout’s Corner and the Dover Air Force Base. Steel guardrails have been installed along the entire lengths of I-495 and various median barrier treatments exist on I-95, effectively reducing the potential for a median crossover crash on Delaware’s high speed, high volume freeways.



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