Road Weather Management > Traffic Control > Variable Speed Limits
Adjusted (to 2014 dollars)
In Finland, the average implementation cost for a weather responsive roadside VSL system on a dual carriageway was estimated at 80,000€; average maintenance costs (including replacement costs) were estimated at 3,500 €/km/year.
In Finland, approximately 350 km of roadway have been equipped with variable speed limits—most of...(25 March 2006)
A variable speed limit system consisting of multiple ITS components and covering 40 miles over the Snoqualmie Pass in Washington was designed and implemented for $5 million.
The Washington State Department of Transportation (WSDOT) deployed a variable speed limit (VSL)...(November 2001)