A new system of high-tech signs is planned for some freeways in the Seattle area.
The state Department of Transportation says it plans to have the active traffic management system working by next summer on Interstate 90, northbound I-5 and State Route 520. The system is a network of sensors and electronic signs that automatically responds to traffic conditions and tells drivers to change lanes or slow down to avoid potential accidents.
The department says similar technologies being used in Europe helped reduce collisions in congested areas by as much as 30 percent.
The Associated Press
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