Transit Planners Studying a Tunnel Under Portland

Oregon Metro and TriMet are studying the feasibility of a subway tunnel under Portland that would cross under the Willamette River to speed up MAX trains through the city.

1 minute read

June 30, 2019, 1:00 PM PDT

By James Brasuell @CasualBrasuell


Portland Streetcar

4kclips / Shutterstock

Andrew Theen reports that Metro, the regional government for the Oregon portion of the Portland metropolitan are, and Tri-County Metropolitan Transportation District of Oregon (TriMet) will study an ambitious tunneling project that would "build a tunnel underneath downtown Portland and the Willamette River to speed up light rail trains and provide an alternative river crossing to the aging Steel Bridge."

"The regional government quietly posted a new website this week dedicated to the MAX tunnel project, which would put MAX trains underground from roughly the Lloyd Center to Goose Hollow in Southwest Portland," according to Theen.

Metro officials are stressing the speculative nature of the feasibility study, likening it to "planning for a plan." The website is asking for comments on the tunnel project, however.

Theen is able to share a few speculative details for the project, too: "The overall tunnel project would likely cost at least $1 billion. A preliminary concept described a “twin-bore east-west transit tunnel” that would emerge on the west side on Jefferson Street near SW 16th and on the eastside near NE Holiday Street at 16th Drive."

Given the preliminary nature of the project, Theen is able to reveal a lot more context for the project, and its potential impact on the city.

Friday, June 28, 2019 in The Oregonian

courses user

As someone new to the planning field, Planetizen has been the perfect host guiding me into planning and our complex modern challenges. Corey D, Transportation Planner

As someone new to the planning field, Planetizen has been the perfect host guiding me into planning and our complex modern challenges.

Corey D, Transportation Planner

Ready to give your planning career a boost?

View of dense apartment buildings on Seattle waterfront with high-rise buildings in background.

Seattle Legalizes Co-Living

A new state law requires all Washington cities to allow co-living facilities in areas zoned for multifamily housing.

December 1, 2024 - Smart Cities Dive

Times Square in New York City empty during the Covid-19 pandemic.

NYC Officials Announce Broadway Pedestrianization Project

Two blocks of the marquee street will become mostly car-free public spaces.

December 1, 2024 - StreetsBlog NYC

Broken, uneven sidewalk being damaged by large tree roots in Los Angeles, California.

The City of Broken Sidewalks

Can Los Angeles fix 4,000 miles of broken sidewalks before the city hosts the 2028 Olympic Games?

December 5, 2024 - Donald Shoup

Tall mature green trees lining a concrete walkway next to a street with multistory apartment buildings on other side and sun filtering through the leaves.

Mapping a Greener Future: Cal Poly Tackles Urban Canopy Challenges

Cal Poly, in partnership with Cal Fire, is leading the development of California’s new Strategic Plan for Urban Forestry, combining advanced data tools and interdisciplinary collaboration to expand tree canopy cover.

6 seconds ago - Cal Poly News

Washington D.C. Protest

USDOT Releases Climate Strategies Playbook

The USDOT's new Climate Strategies that Work Playbook provides detailed information concerning benefits and implementation requirements for 27 transportation-related emission reduction strategies.

1 hour ago - Climate Strategies that Work Playbook

City park with paved walkway, green trees, and people sitting on lawn.

Global Report Shows Urban Forests Failing to Meet Vital Standards

The study reveals significant gaps in urban forestry, emphasizing the urgent need for reforms, innovative planting solutions, and expanded tree canopy to combat climate change and improve urban health.

2 hours ago - The Conversation

Urban Design for Planners 1: Software Tools

This six-course series explores essential urban design concepts using open source software and equips planners with the tools they need to participate fully in the urban design process.

Planning for Universal Design

Learn the tools for implementing Universal Design in planning regulations.