A406

Route

A406

Junction number

None

Markerpost

Unknown

Name

Unknown

Type

Diamond

Terminus

Not a terminus

Other routes

None

Authority

Transport for London

Restricted turns

Full access

Services

No services

Layout and signage

Muswell Hill
Friern Barnet
Retail Park
B550
  B550     B550   Muswell Hill
Friern Barnet
Retail Park
B550

Lane configuration

LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 splits to create a new lane.

LanesLanesLanesLanesLanes

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

Other events

  • Signs 50mph speed limit begins
  • Signs 40mph speed limit begins

In this section

What's new

Go west! New Ringways pages are here

A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.

No smoke without ire

London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?

Devon help us

Road signs are colour coded for different types of road, but in Devon there are more colours than anywhere else. What do Devon's colourful signs mean?

Have you seen...

Hogarth Flyover

It makes the traffic situation in one part of West London much more bearable but it should have been removed more than quarter of a century ago. It's amazing what you can do with a big Meccano kit.