The Go-Ahead Group Plc engages in provision of passenger transport, delivering bus, and rail services to predominantly urban markets. It operates through the following segments: Regional Bus, London Bus, Rail Operation and Go-Ahead North America. The Regional Bus segment comprises bus operations outside London. The London Bus segment composes bus operations in London under control of Transport for London and also rail replacement and other contracted services in London. The Rail Operation segment includes three rail franchises: Southern, Southeastern, London Midland, and Govia Thameslink Railway. The Go-Ahead North America segment comprised investment in a United States school bus operation. The company was founded on February 17, 1987 and is headquartered in Westminster, the United Kingdom.