ITS Benefits >> Benefit-to-cost ratios for six dynamic message signs on two freeways ranged from 1.38:1 to 16.95:1 based on total crashes; however, hazard warnings posted during incidents were ineffective at reducing secondary crashes.

Jul 18, 2013 | Policy News

Hazard Elimination Project Evaluation: Evaluation of Six Dynamic Message Signs on I-40 and I-26 in Buncombe and Henderson Counties (12/17/2010) ITS Benefits Database http://www.itsbenefits.its.dot.gov

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ITS Benefits >> Benefit-to-cost ratios for six dynamic message signs on two freeways ranged from 1.38:1 to 16.95:1 based on total crashes; however, hazard warnings posted during incidents were ineffective at reducing secondary crashes.

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