Route
Junction number
14
Markerpost
92.1 km
Name
Poyle Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A3113
Authority
Restricted turns
Full access
Services
No services
M25 J14 Poyle Interchange
Layout and signage
Heathrow  (T4 and Cargo) A3113 Heathrow (T5)
|
A3113
|
|
Heathrow (T4 and Cargo) A3113 Heathrow (T5)
|
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 exits and returns after the junction.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 5 continues ahead.
- Lane 6 continues ahead.
- Lane 1 is gained from the entry sliproad.
- Lane 2 exits and returns after the junction.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 5 continues ahead.
- Lane 6 continues ahead.
Other events
Variable Speed Limits apply
- 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...
Old Motorway Photos
A gallery of images sent in by visitors to the site of original photos of motorways — including some impressive views of the M4 and M11 under construction.
About this page
Published
Last updated
Published
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