KC Streetcar Authority commences testing for Main Street extension, US August 25, 2025 | News, North America News The KC Streetcar Authority in Kansas City, Missouri, has commenced full-service testing on the USD351.7 million KC Streetcar Main Street Extension. The 5.63-km-long extension will add 16 stations to t... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password