M25 J3 Swanley Interchange

Layout and signage

London
A20
Maidstone
Channel Tunnel
M20 Link
Swanley
B2173
 


A20


B2173
   

M20

A20
  Maidstone
Channel Tunnel
Dover
M20 Link
London (SE)
Swanley
A20

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.

Other events

  • Signs Variable Speed Limits apply
  • Signs National Speed Limit begins

In this section

What's new

Farewell GLC lights

Why am I all nostalgic about some street lights being replaced?

Silver bullet

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

Skid Risk, Accident, Fog

For the first time, we can share pictures of the pioneering experiment that lit up the Worcestershire countryside with enormous signs 61 years ago.

Share this page

Have you seen...

Studland Motor Road

The first motorway opened in 1958. The first road restricted to motor traffic, on the other hand, opened in 1923...

About this page

Published

Last updated