Sound Transit set to open latest addition to Link light rail

Sound Transit set to open latest addition to Link light rail

By Trains Staff | December 5, 2025

Saturday events to mark opening of 7.8-mile, three-station Federal Way Extension

Aerial view of light rail trains on tracks next to freeway
Sound Transit light rail trains test on the Federal Way Extension in September. The new 7.8-mile, three-station segment of the Link light rail network opens on Saturday, Dec. 6. Sound Transit

Map of three-station, north-south addition to Seattle-area light rail system
Sound Transit’s Federal Way extension will make the 1 Line the second longest in the United States. Sound Transit

FEDERAL WAY, Wash. — Sound Transit is set to open the latest addition to its Link light rail system on Saturday, Dec. 6, opening the three-station Federal Way Extension with a series of events.

Events begin at 9:30 a.m. with speeches and a ribbon cutting at the Federal Way downtown station, with trains set to begin running about 11 a.m. From 11 a.m. to 3 p.m., that station and the new stops at Kent Des Moines and Star Lake will feature a series of community celebrations with free live performances, art, food vendors, and a variety of other events. Details on the features at each station are available here.

The 7.8-mile extension to the 1 Line will allow riders to travel from the Federal Way station to Sea-Tac Airport in 16 minutes, the Stadium station — serving the homes of the Seahawks, Sounders, and Mariners — in 38 minutes, and downtown Seattle in 50 minutes. It will make the 1 Line to Lynnwood, at 41 miles with 26 stations, the second-longest light rail line in the U.S. behind LA Metro’s 57.6-mile, 48-station A Line.

 

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