Route
Junction number
M1 J19
Markerpost
0.0 km
Name
Catthorpe Interchange
Type
Non-standard interchange
Terminus
Terminus at top of exit list
Other routes
M1, M6
Authority
Restricted turns
Some turns restricted
Services
No services
A14 (M1 J19) Catthorpe Interchange
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
Other events
Start of motorway regulations
End of motorway regulations
What's new
The road that made no sense
It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.
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.
Have you seen...
North Cross Route
The route and the history of the North Cross Route, proposed in the 1960s as the northern side of London's innermost motorway ring road.
About this page
Published
Last updated
Published
Last updated
