170 trains lost to mudslidesSourced
On a coastal rail line, the hillside can decide whether commuters get a train.
Washington state's Sounder North Line cancelled a record 170 trips between September 2012 and March 2013 because of mudslides. Authorities later added barriers and stabilized slopes along the route.
Keeping trains running also meant managing the land above them.
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Sounder commuter rail · Wikimedia contributors
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Reviewed: 2026-10-02