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Tacoma-to-Lakewood Track & Facilities


Sound Transit is expanding Sounder commuter rail service to Lakewood with new stations in South Tacoma and Lakewood.  Expanded Sounder service will operate along a new 1.2-mile track extension in Tacoma, from the Tacoma Dome Station to the M Street overpass at South Tacoma Way, where it will connect to the existing Lakeview Subdivision rail line and continue south seven miles to Lakewood. 

On Dec. 13, 2007, the Sound Transit Board identified the track configuration for the rail connection from D Street to M Street in downtown Tacoma, a key component to the southern extension of Sounder commuter rail.  The Board motion and route map are available for more information. 

Lakeview Subdivision track improvements will include all new track and signal systems; grade crossings from M Street in Tacoma to Bridgeport Way in Lakewood will be brought up to current safety standards and new commuter rail train layover tracks in Lakewood will be constructed.  These improvements will be completed before the new 1.2-mile section of track from Tacoma Dome Station to M Street is finished in late 2011 or early 2012, allowing the start of Sounder service to South Tacoma and Lakewood.



New track from Tacoma Dome Station to M Street and South Tacoma Way then connecting to the existing Lakeview Subdivision tracks.

Sound Transit Budget:  

$149.6 million

Planning Partners:  

WA State Dept. of Transportation
Federal Transit Administration
Federal Highways Administration
Cities of Tacoma and Lakewood

Consultants and Contractor:  

Engineering: HDR Engineering

Project Timeline:  

M Street to Bridgeport Way
Design: summer 2005 - winter 2007
Construction: to be determined

Tacoma Dome Station to M Street
Feasibility Study: May 2006 – December 2007
Design and ROW Acquisition: June 2008 – December 2009
Construction: 2010 – 2011/2012


Additional Information

Project Contact

If you have questions about this project, please contact:

Roger Iwata
Community Outreach Specialist
Phone:(206) 689-4904

For more information about Sound Transit.......
Contracting opportunities? Bus and train service? Contact us at:

Submit Project Feedback


NEW Environmental Documents

SEPA Addendum to the Final EIS for the Lakewoo-to-Tacoma CommuterRail and SR512 Park-and-Ride Expansion Project (PDF 1.4 MB)

Letter to SEPA Addendum Recipients (PDF 270 KB)

Sound Transit is issuing an Addendum under the State Environmental Policy Act (SEPA), which describes the environmental effects of revisions to the proposed commuter rail alignment between D and M Streets in Tacoma for the Lakewood-to-Tacoma commuter rail project.  This is an addendum to the Sound Transit Lakewood-to-Tacoma Commuter Rail and SR-512 Park-and-Ride Expansion Final Environmental Impact Statement (Final EIS) published in May 2002.