Design work on the Southwest Corridor Light Rail Project was paused in 2020 after voters rejected a local funding measure for multiple transportation improvements. In early 2022, Metro, TriMet and the Federal Transit Administration completed the Final Environmental Impact Statement (FEIS) and issued a Record of Decision (ROD) to ensure the project is eligible for future federal funding. See Metro’s project website to access to these documents.

Southwest Corridor Light Rail Project

Portland to Tualatin in 30 Minutes

The Southwest Corridor Light Rail Project is a proposed MAX light rail line that would provide a 30-minute trip between Downtown Portland and Tualatin. The high-capacity transit project was planned for one of the most congested travel corridors in the region, and to support the estimated 400,000 new residents expected by 2040. It would include coordinated investments to foster connected, affordable communities where all people can live, work and thrive.

TriMet, Metro and other project partners began planning efforts on the light rail line in 2009. From 2016-2020, TriMet and Metro worked on the preliminary design and environmental review phases of the project, resulting in the Draft Environmental Impact Statement and the Conceptual Design Report.

In November 2020, voters rejected Measure 26-218 (also known as Get Moving 2020), a proposal to fund the Southwest Corridor Light Rail Project and many other transportation programs across the region.

At this time, planning and design for the project are on hold until funding is identified. A Final Environmental Impact Statement (FEIS) was made available in January 2022 to ensure the project is eligible for future federal funding. See Metro’s project website to learn more about environmental review and to access the FEIS.

The design and alignment concepts shown on this website are based on the Conceptual Design Report, published in September 2020. If the project were to restart at a future date, these designs could change.

TriMet rail system map

The project was based on the Final Conceptual Design Report, published in 2020, and would have included:



The Route at a Glance

March 2019 preferred alternative
Conceptual rendering subject to change

Route legend



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Draft conceptual design report

Final conceptual design

Environmental Review


Voters declined funding measure
November 2020

Planning for Equitable Development

During the planning process, project partners collaborated to minimize gentrification. These efforts included these partnerships:


Comments or questions?

Call 503-962-2150 or email for more information.



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Project Partners

TriMet Metro ODOT Washington Couty City of Durham City of Portland City of Tigard City of Tualatin