Downtown alternatives

Downtown Seattle, the central segment of the corridor, includes a new tunnel with stations at Midtown, Westlake, South Lake Union, Denny and the Seattle Center. The central corridor will serve as a regional connection for all Link light rail service.


Explore the alternatives

Learn more

Use the map to the right to explore the different route options we're considering for the downtown segment of the corridor. Select an alternative at the top of the page to learn more about the key takeaways for each alternative.

In case you missed us, review the presentation from our 9/8 open house and neighborhood forum.

ST3 Representative Project

New tunnel under 5th Avenue with a new Midtown station between Madison Street and Spring Street, and a transfer station at Westlake on 6th Avenue. Tunnel continues up Westlake Avenue N with a station at John Street and then transitions to Republican Street with a station at Dexter Avenue N. The tunnel continues under SR 99 and includes a station near Key Arena.

What is the representative project and its alternatives?

The representative project is the voter-approved general route and station locations. The other alternatives for this segment are refined options of the route and station locations to be considered along with the representative project.

5th/Harrison

New tunnel under 5th Avenue with a new Midtown station between Madison Street and Spring Street, and a transfer station at Westlake. Tunnel continues up Westlake Avenue N with a station at 9th Avenue and Blanchard Street. The tunnel transitions to Harrison Street with a station at Aurora Avenue N, and then continues under SR 99 with a station near Key Arena.

How it compares to other alternatives:

  • Better bus/rail integration opportunity at South Lake Union station on Harrison Street
  • Tunnel station on Harrison Street, west of soon-to-be renovated Key Arena
  • Engineering challenges with tunneling under Key Arena
  • Property effects due to tunnel portal location on Harrison Street
  • $200 million more than the cost of ST3 Representative Project

6th/Boren/Roy

New tunnel under 6th Avenue with a new Midtown station between Madison Street and Spring Street, and a transfer station at Westlake. Tunnel continues towards Boren Avenue N and includes a station at John Street. The tunnel transitions to Roy Street, with stations near SR 99 and north of Key Arena.

How it compares to other alternatives:

  • Avoids building foundation tie-backs on 5th Avenue, SR 99 portal and sewer
  • More constrained Denny station location on Boren Avenue
  • Seattle Center station location on Roy Street, two blocks from Key Arena
  • Lower bus/rail integration opportunity at Seattle Center station on Roy Street
  • Similar cost to the ST3 Representative Project

5th/Terry/Roy/Mercer

New tunnel under 5th Avenue with a new Midtown station between Madison Street and Spring Street, and a transfer station at Westlake. Tunnel continues towards Terry Avenue N and includes a station at John Street. The tunnel transitions to Roy Street, with a station near SR 99 and then transitions to Mercer Street with a station north of Key Arena.

How it compares to other alternatives:

  • Avoids SR 99 portal and sewer
  • Seattle Center station location on Mercer Street, one block from Key Arena
  • $200 million more than the cost of ST3 Representative Project

The online survey is now closed. Read below to see the feedback we’ve received so far.

Speech bubble icon What your neighbors have said

Alternative details

 
Tunnel
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Station