Transport for London publishes next-generation Bus Safety Standard for vehicles entering service through 2033, UK June 13, 2026 | Europe News, News Transport for London (TfL) has published the second phase of its Bus Safety Standard (BSS), establishing new safety requirements for buses entering service across London between 2027 and 2033. The upd... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password