A465 Aberbaiden Roundabout

Layout and signage

Gilwern
Crughywel — Crickhowell
A4077
Blaenafon — Bleanavon
B4246
  A4077     B4246   Gilwern
Crughywel — Crickhowell
A4077
Blaenafon — Bleanavon
B4246

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 National Speed Limit begins
  • Signs 50mph speed limit begins

In this section

What's new

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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.

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Have you seen...

Liverpool Inner Motorway

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