A1 Twyford Bridge Junction

Layout and signage

Retford
Ollerton
Gamston
B6387
  B6387     B6387   Retford
Ollerton
Gamston
B6387

Lane configuration

LanesLanesLanesLanes

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

LanesLanesLanesLanes

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

Other events

  • Signs 50mph speed limit begins
  • Signs National Speed Limit begins

In this section

What's new

The forever bottleneck, part 2

The second part of the story, where we learn why exactly the M4 gets narrower on the final approach to Europe’s biggest city.

The forever bottleneck, part 1

The M4 into London was one of the UK's earliest and most ambitious motorway projects. It was bold, pioneering... and almost instantly regretted.

Hello, here's my ridiculous side project

An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.

Share this page

Have you seen...

M6 Hanchurch-Lymm

One of the longest lengths of motorway to open in one go, this book celebrates the opening of the M6 from the Potteries to the North West.

About this page

Published

Last updated