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In Vantage, Washington an automated anti-icing system installed on I-90 had a benefit-to-cost ratio of 2.36:1, with benefits including fewer winter weather-related crashes and more efficient use of abrasives.

FINDINGS The present worth of costs, the present worth of benefits and the benefit-to-cost ratio were calculated with WSDOT’s Benefit/Cost Worksheet for Collision Reduction. Cost elements included…
Content type
Date Posted
04/06/2001

In Vantage, Washington the deployment of an automated anti-icing system on I-90 was projected to eliminate up to 80 percent of snow and ice related crashes.

FINDINGSUsing historical crash data, the annual rate of collisions over a three-year period was determined and compared to the expected rate of collisions after system implementation. It was…
Content type
Date Posted
04/06/2001

Initial cost estimate for an anti-icing system on I-90 near Vantage, Washington was $559,500.

To address weather-related accidents on I-90 near Vantage, Washington, the Washington State DOT (WSDOT) assessed the benefits and costs of deploying an automated anti-icing system to prevent the…
Content type
Made Public Date
12/29/2003