Originally Stagecoach route A operated three times an hour from St Ives Park and Ride to Trumpington (Monday to Saturdays daytimes only) and route B operated three times an hour from Huntingdon to Cambridge (with an hourly evening service) Mondays to Saturdays. On Sundays route B ran three time per hour between Cambridge and St Ives, with one journey per hour continuing to Huntingdon. There was no Sunday evening service. Whippet also operated a route C from Somersham and St Ives to Cambridge.