TASI’s Caltrain operations contract extended to 2027, US January 9, 2021 | North America News The Caltrain Operating Agreement has approved plans to extend the operations contract of TransitAmerica Services, Inc. (TASI) to June 30, 2027. TASI is a subsidiary of US-based Herzog Transit Services... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password