Sound Transit testing faster run times on the 1 Line Monday and Tuesday
Nov 24, 2025, 5:43 AM
A photo of Sound Transit's 1 Line. (Photo: @AvgeekJoe via Flickr Creative Commons)
(Photo: @AvgeekJoe via Flickr Creative Commons)
On Nov. 24 and 25, from 4:30 to 9:30 a.m., Sound Transit plans to test four-minute run times for 1 Line trains. Test trains displaying “Out of Service” will run alongside regular service trains.
Test trains will run in tandem, with regular in-service trains between Lynnwood and Chinatown-International District (CID) stations. The test trains will pause at stations, but doors will remain closed. Passengers need to pay close attention and check headway signs before boarding.
During the testing period, regular service trains will arrive at stations every eight minutes, which is normal during peak hours.
This testing will help Sound Transit prepare for more frequent service after the 2 Line crosses Lake Washington, extending to Lynnwood City Center. According to Sound Transit, the 2 Line is expected to make its full-service maiden voyage in the spring of 2026.
This week will be the first of many weeks with similar testing between Lynnwood and the CID.
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There is always something new to check out with Sound Transit, from the new 2 Line to the three new train stations opening in December to holiday shopping at their gift store. Click here for more.
Nate Connors is a traffic reporter for KIRO Newsradio. Follow him on X. Read more of his stories here. Submit news tips here.
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