Sensors installed on a bridge on Capital Beltway in the Washington D.C. area.
Sensors installed on a bridge on Capital Beltway in the Washington D.C. area. McClatchy
Sensors installed on a bridge on Capital Beltway in the Washington D.C. area. McClatchy

National

August 09, 2012 12:00 AM

Researchers hope new bridge sensors will prevent disasters

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