Service AB1 is a conventional park and ride service that operates at a 20-minute frequency 7 days a week between Edinburgh Park and the Ferrytoll Park and Ride site in Fife via the M8, M9 and M90 motorways as well as the Forth Road Bridge, with a projected capacity of 10,000 passenger journeys per week on the service. The service commenced operations on 15 May 2023 using a fleet of five Enviro200AVs operated by Stagecoach East Scotland, each crewed by a safety driver in the driver's seat and a 'bus captain' who will assist passengers boarding the service.
