SEATTLE — The 1 Line will get a little bit longer in December.
Sound Transit announced that the South Link 1 Line extension to Federal Way will be finished on December 6.
The new 7.8-mile extension will add three new stations in Kent Des Moines, Star Lake, and Federal Way Downtown.
Service to the new station will run every 8 to 15 minutes, from 5 a.m. to 12 a.m., seven days a week.
The extension was announced in April 2021, with construction for the extension starting in April 2022.
You can find more information here.
On Dec. 6, say hello to new 1 Line stations in Kent Des Moines, Star Lake, and Federal Way Downtown! 🎉
— Sound Transit - 🚆 🚈 🚍 (@SoundTransit) August 28, 2025
Get ready to ride and stay tuned for opening day celebration details here: https://t.co/bFa8e5Bbmq#1Line #SouthKingLink pic.twitter.com/kYbBY8Vc1H
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