Motorway Database

Home » Motorway Database » M4 » Junction Inspector

M4 main page »SABRE Maps »
More detail at Bad Junctions »

Route M4 Name Add this »
Junction number 4 Type Roundabout Interchange
Markerpost 25.0 Terminal Does not terminate M4
Other routes here Managed by Highways Agency
Restricted No Services None

 

Up Next junction Eastbound Up

Signage Eastbound Junction layout Signage Westbound
Uxbridge
Hayes
Heathrow Airport T1, 2 & 3
(A408)		 (A408) Junction diagramJunction diagram (A4) Heathrow Airport T1, 2 & 3
Uxbridge
(A408)
Lanes Eastbound Lanes Westbound
LanesLanesLanesLanesLanesLanes LanesLanesLanesLanesLanesLanes
  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.
  • Lane 4 continues ahead.
  • Lane 3 continues ahead.
  • Lane 2 continues, with option to exit.
  • Lane 1 is gained from the entry sliproad.

Down Next junction Westbound Down

Something wrong? You can correct or update this page.