M4 J1 Chiswick Roundabout

Layout and signage

Central London
Hammersmith
A4
 

A315

A406
   

A205
  N/A

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

Other events

  • Signs End of motorway regulations
  • Signs 40mph speed limit begins
  • Signs Start of motorway regulations
  • Signs 40mph speed limit begins