With the new floating bridge and the West Approach Bridge North now completed, the replacement SR-520 corridor is progressing through to I-5 with key build-out sections: the Montlake Interchange, the I-5 Express Lanes Connection Project, and the Portage Bay Bridge and Roanoke Lid Project. Improving mobility in the Montlake Boulevard and SR-520 corridor includes study for a second bascule bridge over the Montlake Cut.

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