Project Overview

In 2008, voters approved ST2, a regional transit expansion plan that included partial funding for a partnership to expand Tacoma Link. The existing 1.6-mile light rail line serves six stations between the Theater District and the Tacoma Dome. Trains run every 12 minutes and provide nearly a million rides a year.

In 2015, Tacoma Link Expansion reached a major milestone. We completed our environmental evaluation and shared the project’s potential impacts and benefits with the community. After reviewing the results of the environmental evaluation and public comments, the Tacoma City Council unanimously passed the resolution endorsing the Tacoma Link Expansion on August 11 and the Sound Transit Board approved the project to be built on November 19. The project is completing preliminary engineering and will begin final design early next year.

Potential expansion

  • Length: 2.4 miles
  • Stations: 6 proposed, 1 relocated
  • Frequency: 10 minutes (during most of the day)

Why expand?

  • Improve mobility and transportation access for Tacoma residents and visitors
  • Increase transit ridership in Tacoma
  • Serve underserved neighborhoods and communities
  • Use transit to spur economic development
  • Ensure the project is environmentally sensitive and sustainable
  • Establish a project that is competitive for federal funding


  • Operate from 5 a.m. to 10 p.m. most days; increase frequency from 12 to 10 minutes
  • Serve ethnically and economically diverse neighborhoods. Within one-quarter mile of the alignment, the population is 40 percent minority, 25 percent low income and 30 percent of households have no vehicle
  • By 2035 the Link corridor will include 54,000 jobs and 47,000 residents
  • Save 10 to 15 minutes per trip compared to existing bus service


The Tacoma Link Expansion was approved and partially funded by voters in the 2008 Sound Transit 2 ballot measure. Additional funding from local partnership, federal and other grants is needed to construct the project.