Seattle opens upgraded East Marginal Way with new bike lane
Oct 27, 2025, 12:57 PM | Updated: 12:58 pm
Seattle Opens Upgraded East Marginal Way with New Bike Lane
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.
East Marginal Way upgrades improve safety, freight, and bike access
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 connect to the two-way bike lane using the new crossing at S Horton Street.
The project improves safety, freight mobility, and travel efficiency. It includes new separated bike and pedestrian facilities, upgraded traffic signals and intelligent transportation systems, and better access for trucks to the Port of Seattle and local industrial areas.
The corridor has three segments. The North Segment is complete. The Central Segment is 90% designed. The South Segment has finished preliminary design. Funding comes from the Levy to Move Seattle, federal grants, the Port of Seattle, and other partners.



