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Making the Business Case for Traffic Incident Management

Appendix C. Example Business Case Summary - Washington State Department of Transportation Corridor Capacity Report - Incident Response

A snapshot of an example business case summary from the Washington State Department of Transportation Corridor Capacity Report. The snapshot presents an annual report of incident response activities conducted by the State. The key points include: the State responds to 48,691 incidents in 2014; incident clearance times improve by half a minute from 2012; the state prevents $74.1 million in delay and secondary collisions.

Second page of a snapshot of an example business case summary from the Washington State Department of Transportation Corridor Capacity Report. The key points on page 2 include: incidents led to $166 million in congestion-related costs for the State; blocking incident make up less than a quarter of all incidents but make up half of delay for the State, and commercial vehicles were involved in 7.4 percent of all incidents during the year.

(Source: The Corridor Capacity Report (CCR) is the Washington State Department of Transportation's WSDOT's comprehensive annual analysis of multimodal state highway system performance. This example comes from the 2015 CCR, October 2015, pp. 47-48.)

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