Route
Junction number
4
Markerpost
17.3 km
Name
Chilworth Interchange (east)
Type
Terminus
Not a terminus
Other routes
M3
Authority
Restricted turns
Some turns restricted
Services
No services
M27 J4 Chilworth Interchange (east)
Layout and signage
|
Winchester London M3 Link |
|
M3 |
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 exits and does not return.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 is gained from the entry sliproad.
- Lane 2 is gained from the entry sliproad.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
Other events
National Speed Limit begins
Variable Speed Limits apply
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...
Studland Motor Road
The first motorway opened in 1958. The first road restricted to motor traffic, on the other hand, opened in 1923...
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Published
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