Sound Transit, founded in 1993 and headquartered in Seattle, is the Central Puget Sound regional transit authority operating Link light rail, Sounder commuter r USA Los Angeles Metro D Line Extension · Brightline West (Las Vegas – Rancho Cucamonga High-Speed Rail) · USA Phoenix Valley Metro Extension · MTA New York · AECOM · News
Sound Transit, founded in 1993 and headquartered in Seattle, is the Central Puget Sound regional transit authority operating Link light rail, Sounder commuter rail, and ST Express bus service across King, Pierce, and Snohomish counties. It is a Washington special-purpose municipal corporation governed by an 18-member board of elected officials, currently building out a USD 142 billion ST3 expansion through 2046.