In Finland, a road weather information system with variable speed limit signs was projected to decrease the average vehicle speed by 0.4 to 1.4 percent and reduce the annual crash rate by 8 to 25 percent.
FINDINGSBecause absolute values could not be used, three assessments (pessimistic, probable and optimistic) of average speeds and accident rates were made. Based upon investment costs of roughly $1.…
Content type
Date Posted
01/15/2001
Taxonomy (ARC-IT)
Roadway Automated Treatment (MC03),
Traffic Information Dissemination (TM06),
Weather Information Processing and Distribution (WX02),
Spot Weather Impact Warning (WX03),
Variable Speed Limits (TM20)
Geolocation links