Route
Junction number
21
Markerpost
137.1
Name
Witham South Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
B1389
Authority
Restricted turns
Some turns restricted
Services
No services
A12 J21 Witham South Interchange
Layout and signage
|
Witham Wickham Bishops B1389 |
B1389 |  |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
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?
We need to talk about Wisley
National Highways are spending a third of a billion pounds rebuilding one of the most congested junctions on the M25. Is it money well spent?
Have you seen...
A Piece of History
The lowly and pathetic A6144(M) motorway was downgraded in May 2006. This is the story of the mission to rescue some memorabilia.
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