A1 Northway Circus

Layout and signage

Watford
Bushey
Stanmore
A41
Edgware
East Barnet
A5109
  A41


A5109
    A5109
  Watford
Bushey
Stanmore
A41
Edgware
East Barnet
A5109

Lane configuration

LanesLanesLanesLanesLanes
LanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Then further along:
  • Lane 1 is gained from the entry sliproad.
  • Lane 2 is gained from the entry sliproad.
  • Lane 3 continues, with option to exit.

LanesLanesLanesLanesLanes
LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.
  • Then further along:
  • Lane 1 continues ahead.
  • Lane 2 exits and returns after the junction.
  • Lane 3 exits and does not return.

Other events

  • Signs Traffic signals
  • Signs Traffic signals

In this section

What's new

The sunlit uplands

On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.

Grand openings

Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.

Silver bullet

The Silvertown Tunnel is finally open for business. One question remains: what’s it for?

Share this page

Have you seen...

Major incidents

What happens when there's a big accident on a trunk route? Who picks up the pieces, and why does it take so long?

About this page

Published

Last updated