The SR 520 Bridge Replacement and HOV Program enhances travel safety and mobility with modern, structurally stronger bridges, as well as substantial transit and roadway improvements along this urban corridor. Built in stages, the improvements extend from I …

Want to know about current or upcoming SR 520 construction closures and activities? You’ve come to the right place. Use the interactive map below to filter by date range, location, and closure type to find detailed information as it is available.

State Route 520 (SR 520) is a state highway and freeway in the Seattle metropolitan area, part of the U.S. state of Washington. It runs 13 miles (21 km) from Seattle in the west to Redmond in the east.

Find out how to pay tolls and what the toll rates are for the SR 520 Bridge. Image Tolling on the SR 520 Bridge helps manage congestion and is expected to raise $1.2 billion to help pay for the construction, safety and maintenance of the new bridge.

The Montlake Project is a key piece of the SR 520 Bridge Replacement and HOV Program. It’s the first phase of the “Rest of the West” – the final improvements to the SR 520 corridor in Seattle. The SR 520 Program’s Final Environmental Impact …

Monitor traffic and weather conditions on SR 520 between Redmond and Seattle with real-time camera images from WSDOT.

The Evergreen Point Floating Bridge, also known as the 520 Bridge and officially the Governor Albert D. Rosellini Bridge, is a floating bridge that carries Washington State Route 520 across Lake Washington from Seattle to its eastern suburbs.

Description: Crews will install permanent pavement and utilities, and perform system testing. Traffic: SR 520 will be closed in both directions between I-5 and the 92nd Avenue Northeast on the Eastside from 11 p.m. on Friday, September 27, to 5 a.m. on Monday, September 30.

The SR 520 Bridge Replacement and HOV Program enhances travel safety and mobility with modern, structurally stronger bridges, as well as substantial transit and roadway improvements along this urban corridor. Built in stages, the improvements extend from I …

Construction on the SR 520/I-5 Express Lanes Connection Project is expected to last into spring 2024. The work includes building a new, elevated reversible HOV access ramp between SR 520 and the I-5 express lanes, constructing 23 retaining …