TriMet has continued to push for expansion of the Yellow Line, with plans to extend the line into Washington state across the proposed new I-5 bridge
Taylor Marks
Cascade Policy Institute
Over-promised and under-delivered.
Throughout its 18-year life, TriMet’s Yellow Line MAX has never met its promised ridership projections.
In fact, just before the pandemic hit, Yellow Line ridership was more than 25 percent lower than where it was projected to be for 2020. Following the COVID-19 drop-off in ridership, TriMet now doesn’t expect transit ridership to hit pre-pandemic levels until sometime after 2045.
Because of low ridership, TriMet is failing to abide by its commitments to service frequency. TriMet promised the Federal Transit Administration that Yellow Line trains would arrive every 10 minutes during peak hours and every 15 minutes off-peak. Instead, Yellow Line trains run every 15 minutes during peak periods and every 30 minutes during other parts of the day.
Despite this consistent underperformance, TriMet has continued to push for expansion of the Yellow Line, with plans to extend the line into Washington state across the proposed new I-5 bridge.
Is slow, low-ridership light rail really the best usage of lane space on the proposed I-5 bridge? Or, should the new bridge instead expand lane capacity for trucks and cars usage to reduce congestion on the region’s freeways?
Taylor Marks is a Research Associate at Cascade Policy Institute, Oregon’s free market public policy research organization.
Also read:
- Opinion: ‘A more responsible approach must be sought’
Ken Vance argues a $10 billion funding gap makes the phased I-5 Bridge approach fiscally reckless, not responsible. - ‘Light rail to nowhere’? Surging costs undercut I-5 bridge transit plan
Vancouver’s promised light rail extension to Library Square has no timeline, and the waterfront station would sit 90 feet above ground. - Washington, Oregon transportation commissions to discuss Interstate 5 bridge tolling
Washington and Oregon commissions will jointly review I-5 bridge toll rate options and discount analysis on June 5. - County Public Works reminds residents to secure loads before hauling, to reduce dangerous roadside debris and litter
Unsecured vehicle loads cause more than 300 Washington crashes annually and dumped 150,000+ lbs of litter in Clark County in 2025. - Weekend paving work closes southbound I-205 entrance from I-5 in Vancouver May 29-31
Crews will use a smart work zone system with zipper merging to reduce delays during the I-205 closure.
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