On the cheap

Improving America's broken highways need not require massive public works expenditures like Boston's Big Dig. Some basic re-engineering of existing roadways aimed at boosting highway safety will also ease traffic snarls significantly. For example, a joint project between the Virginia Dept. of Transportation (VDOT) and the Insurance Institute for Highway Safety (IIHS) shows that simple changes in traffic management at heavily travelled urban intersections can cut the number of crashes, improving safety and reducing congestion, at relatively low cost. “Urban roads weren't built to accommodate today's heavy traffic,” says Richard Retting, IIHS's senior transportation engineer. “They've evolved as ...

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From the Print Issue

November 2009

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