Sound Transit launches Alstom-built Sounder railcars, US June 6, 2026 | News, North America News Sound Transit has introduced new Sounder coach cars into service. The vehicles are part of an 11-car order consisting of eight coaches and three cab cars, manufactured by Alstom under a USD46.5 millio... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password