Stagecoach route B operates a core route from Cambridge to Orchard Park, St Ives and Huntingdon. The Monday to Saturday off-peak timetable has four buses an hour, where two buses operate via RAF Wyton between St Ives and Huntingdon, two buses continue to Hinchingbrook Hospital in Huntingdon, one bus continues to Huntingdon Railway Station, and one bus continues to Huntingdon Railway Station and Peterborough. Some early morning services start from Godmanchester (a village close to the bus depot serving the route) prior to Huntingdon. On Monday to Saturday evenings there is a broadly hourly service from Cambridge to Huntingdon, and most evening services continue to Godmanchester. On Sundays there is a half-hourly daytime service from Cambridge to St Ives with one bus per hour continuing to Huntingdon. There is no Sunday evening service.