As the far-flung but still young intelligent transportation systems industry further consolidates its substantial research gains, planners are focusing increasing attention on...
In the 10-year period from 2001 to 2010, more than 9,000 motorists and roadway workers were killed in motor vehicle traffic crashes in work zones. The nature of highway work zones...
A recent pilot effort in one central Virginia region—the Roanoke Valley-Alleghany Regional Commission—sought to strengthen the incorporation of safety into the transportation-...
Plowable raised pavement markers (RPMs) have been used to augment painted centerline markings for several decades. The cast iron housing of an RPM protects a highly retroreflective...
As the prime consultant, AmerCom Corp. developed a unique design to replace New Jersey’s Rte. 202 Bridge over the Passaic River between Bernards Township of Somerset County and...
When the Texas Department of Transportation (TxDOT) and the city of Fort Worth decided to replace the 99-year-old West Seventh Street Bridge over the Trinity River, they had two...
In an effort to reduce dependence on fossil fuels, societies across the globe are slowly but steadily implementing the use of alternative sources of energy.One of these alternatives...
Virginia transportation officials looked for a suitable project to try an unbonded concrete overlay for several years.When they found a deteriorated segment of U.S. Rte. 58 in...
Channel stability at a bridge crossing depends on the stream system.Natural and man-made disturbances may result in changes in sediment load and flow dynamics resulting in adverse...
A large number of rural crashes occur on curves—some sources estimate the crash rate on curves to be three times the crash rate of tangent sections.Curve-related crashes involve...
When it comes to preventing wrong-way accidents, Milwaukee County, Wis., does not yet know which direction it is heading.With a pilot program now soaking in data in the outskirts...