Number 423 bus route & timetable
- Heathrow Terminal 5
- The Square
- Heathrow Park Thistle Hotel
- Pinglestone Close
- Compass Centre
- Newport Road
- Sipson Way / Blunts Avenue
- Nene Road
- Bolton's Lane
- New Road
- Hatton Road North
- Eastchurch Road
- Hatton Cross Station
- Girling Way
- Green Lane
- Lichfield Road
- Beavers Community School
- Basildene Road
- Beavers Crescent
- Cavalry Barracks
- Dukes Avenue
- Barrack Road
- Frampton Road
- Martindale Road
- Cranbrook Road
- Wellington Road South
- Hibernia Road
- The Bell
- Treaty Centre
- Hounslow High Street
- Hounslow Bus Station
- School Road
- Fair Street
- Douglas Road
- Treaty Centre
- The Bell
- Hibernia Road
- Wellington Road South
- Staines Road / Martindale Road
- Barrack Road
- Cardington Square
- Dukes Avenue
- Cavalry Barracks
- Beavers Crescent
- Basildene Road
- Beavers Community School
- Lichfield Road
- Green Lane
- Girling Way
- Great South West Road
- Hatton Cross Station
- Envoy Avenue
- Cranford Lane
- Hatton Road North
- Harlington Corner
- Mondial Way
- Sipson Road
- Bath Road / Newport Road
- Compass Centre
- Pinglestone Close
- Heathrow Park Thistle Hotel
- Heathrow Close
- Heathrow Terminal 5