331: operated by London Buses
Route: Uxbridge - DENHAM - Harefield - Mount Vernon Hospital - Northwood - Ruislip

724: operated by Arriva
Route: Heathrow Airport - Uxbridge - DENHAM - Maple Cross - Rickmansworth - Croxley - Watford - St Albans - Hatfield - Welwyn Garden City - Hertford - Ware - Harlow 

R21: operated by Red Rose Travel
Route: Uxbridge - DENHAM - Maple Cross - Berry Lane Estate - Rickmansworth - Harefield Hospital - Harefield - Mount Vernon Hospital

For more information about local buses visit the Buckinghamshire County Council website or phone 0871 200 22 33.