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Ninety-four percent of travelers took the action indicated by the DMSs in rural Missouri and drivers were very satisfied by the accuracy of the information provided.

MethodologyA qualitative survey was conducted at two locations along Interstate 55, at gas stations at Exits 129 and 91 during August 2010. Between the two locations, 198 surveys were collected to…
Content type
Date Posted
03/05/2013

Vehicle speeds decreased significantly in work zones where DMSs were used to inform drivers upstream.

MethodologyIn order to determine the effectiveness of DMS messages on travel speeds in work zones on rural, uncongested four-lane interstates, two forty foot long virtual speed traps were set up to…
Content type
Date Posted
03/05/2013

Rural DMSs providing detour information for a full, 3 day bridge closure provided over $21,000 in benefits to motorists in Missouri.

On August 16-18, 2011, the Illinois DOT closed the I-57 bridge over the Mississippi River, between Missouri and Illinois for three full days to enable the contractor to efficiently make repairs.…
Content type
Date Posted
03/05/2013