Seattle has completed major construction on the East Marginal Way Corridor Improvement Project . The new street and protected bike lane are now open for public use.

The corridor is a critical route for freight, oversized trucks, and cyclists. It runs from S. Atlantic Street to 1st Avenue S.

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Most work is finished, but railroad construction south of S Horton Street will continue into early 2026. Cyclists can use the west-side shared path between S Spokane Street and S Horton Street. They can also c

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