STV to build section of SunRail Phase 2 North project, US August 15, 2022 | Company News, News, North America Company News, North America News STV has signed a contract to support the development of the SunRail Phase 2 North project. Herzog Contracting Corporation is the prime contractor for the project. The extension will span 19.63 km. Th... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password