East Link Extension

Project highlights


Link Light Rail

Start of Service:

Targeted 2023


East Link Extension will give riders a fast, frequent and reliable connection from the Eastside's biggest population and employment centers to downtown Seattle, Sea-Tac Airport and the University of Washington. Ten stations will serve Seattle, Mercer Island, Bellevue, Bel-Red and Overlake in Redmond.



Final design


Length: 14 miles

Ride times:

  • Mercer Island to University of Washington: 20 minutes
  • South Bellevue to Sea-Tac Airport: 50 minutes
  • Overlake Transit Center to Bellevue Transit Center: 10 minutes

Rider projection: About 50,000 riders will use East Link every day by 2030.

Budget: $2.8 billion

Latest news

East Link Extension update – Mercer Island parking expansion study
Dec 2, 2014: Study of two potential parking expansion alternatives at the Mercer Island Community & Event Center

East Link Extension update – Mercer Island open house
Nov 21, 2014: Display boards - Parking and integrated transit service concepts

East Link Extension update – Mercer Island open house
Nov 19, 2014: Mercer Island & Sound Transit presentation