Iowa Advisory Council on Automated Transportation

Automated Transportation Press Clippings


Feature Story

Variable Speed Limits Cut Crashes on I-90 in Ohio

A recent report shows that variable speed limit (VSL) signs reduced crashes by 35% along a stretch of I-90 in Ohio over a seven-year period. The VSL system works in coordination with Ohio’s Intelligent Transportation System that includes traffic cameras, dynamic message boards, and weather information stations.

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