Nighttime drivers planning to use State Route 520 should be prepared to take alternate routes across and around Lake Washington on Tuesday and Wednesday nights, Feb. 22-23 as crews working for WSDOT test tolling equipment on the SR 520 bridge. Crews will close all lanes of eastbound SR 520 between Montlake Boulevard in Seattle and 92nd Ave NE in Clyde Hill on Tuesday, Feb. 22 from 11:59 p.m. to 4:30 a.m.

Crews will close all lanes of westbound SR 520 between 92nd Ave NE in Clyde Hill and Montlake Boulevard in Seattle on Wednesday, Feb. 23 from 11:59 p.m. to 4:30 a.m. During these closures, crews will test and adjust equipment in preparation for tolling of the SR 520 bridge later this spring.

View Eastbound SR520 closed for testing of toll equipment in a larger map