M4 J16 Spittleborough

Layout and signage

Swindon (W)
Wootton Bassett
RAF Lyneham
Calne
A3102
  A3102     B4005

A3102
  Swindon (W)
Wootton Bassett
RAF Lyneham
Calne
A3102

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.