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Route M4 Name Add this »
Junction number 3 Type Roundabout Interchange
Markerpost 22.0 Terminal Does not terminate M4
Other routes here Managed by Highways Agency
Restricted No Services None

 

Signage Eastbound Junction layout Signage Westbound
Feltham
A312
Hounslow
(A3006)
A312 Junction diagramJunction diagram A312 Heathrow Airport T4 & Cargo
Feltham
Hayes
A312
Events Eastbound Events Westbound
  • Sign 60mph speed limit begins
Lanes Eastbound Lanes Westbound
LanesLanesLanesLanesLanes LanesLanesLanesLanesLanes
  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 newis reserved for buses.
  • Lane 3 continues ahead.
  • Lane 2 continues ahead.
  • Lane 1 continues, with option to exit.

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