
In December 2025, Sound Transit welcomed the first passengers aboard the Federal Way Link Extension. The three new stations on the 1 Line provide improved transit connectivity for many south King County residents. An accompanying bus service change in March 2026 improved frequency on many bus routes and adjusted a few bus routes to better connect with the new Link stations. While some routes lost ridership, many other routes welcomed new passengers. Link increased the total number of transit trips in south King County with nearly 10,000 combined weekday boardings at Federal Way, Star Lake, and Kent Des Moines stations.
This article will discuss the stop-level ridership data for select routes in south King County. To minimize the impact of seasonal changes in ridership, the analysis compares data from March-August 2025 with data from March-August 2026. The plots below show average weekday boardings and alightings at each stop, boardings are shown with positive bars, alightings are shown with negative bars. The different colors represent the number of passengers boarding/alighting during that time of day. The data for 2025 is shown as slightly faded. Click on each plot to open it in a new tab.
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