M5 J4A Catshill Interchange

Layout and signage

The NORTH EAST (M1 Link)
London (M40 Link)
NEC & Airport
Redditch
M42 Link
      M42   London
(M40 Link)
Birmingham (S & E)
Redditch
M42 Link

Lane configuration

LanesLanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 exits and returns after the junction.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

LanesLanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad.
  • Lane 2 exits and returns after the junction.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

Other events

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

In this section

What's new

A century of motorways

It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.

Schrödinger’s speed limit

In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.

Sorry, wrong number

Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?

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Have you seen...

Liverpool Inner Motorway

There's almost no evidence of Liverpool's 1960's plans for an inner ring road on the ground - but the motorway that never materialised would have been astonishing. The full details on the route, and the missing part the M62, are here.

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