SR 520 Bridge Replacement and HOV Program

520 bridge

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-405 in Bellevue to I-5 in Seattle.

For more information about the program, visit our official SR 520 webpage.

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