Red light warning signs turn on Monday – King and Snohomish counties

Drivers in parts of King and Snohomish counties will soon get an extra heads up that a green light is turning red.

Drivers in parts of King and Snohomish counties will soon get an extra heads up that a green light is turning red. Beginning Monday, June 10, the Washington State Department of Transportation will switch on new signs that use flashing amber lights to warn drivers when a traffic signal is about to change. The signs are being installed in five highway locations in an effort to reduce high-speed rear-end collisions.

“We’ve seen a reduction in collisions in other areas of the state with these advanced warning signs,” said WSDOT Traffic Engineer Mike Swires. “We think these could make a difference in this area as well.”

Drivers traveling the posted speed limit who see the flashing amber lights will not make the green light down the road.

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The cost of the safety enhancements at these five locations is just under $167,000 total.

“This is a great example of how we work to reduce the risk of collisions with our limited funds,” Swires added.

Advanced warning signs have been installed in the following locations:

 

  • Snohomish County

US 2 at Fryelands Boulevard SE

State Route 522 at Paradise Lake Road

State Route 9 at 56th Street SE

 

  • King County

State Route 516 at Military Road and Reith Road

 

WSDOT will continue to gather data from these locations, but need three years to paint a clearer picture of any success.