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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

 

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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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