E28830 Leyland Titan B15 London & Country 911 Route 188 EustonThe Leyland B15 project was conceived in 1971 as a modern replacement for aging bus types such as the Bristol VRT and Leylands own Atlantean. It was designed to incorporate the standardised and integral construction techniques so successfully employed on the Leyland National. The design was heavily influenced by London Transports requirements, such as the option of dual and single door variants, and two of the five B15 prototypes were extensively