Route
Junction number
12
Markerpost
107.8 km
Name
Marylands Interchange
Terminus
Not a terminus
Other routes
A1023, B1002
Authority
Restricted turns
Full access
Services
No services
A12 J12 Marylands Interchange
Layout and signage
|
Billericay A1023 (A129) Mountnessing Ingatestone B1002 |
B1002 | 
|
A1023 (A128) (A129) |
Brentwood A1023 Kelvedon Hatch (A128) |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
The sunlit uplands
On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.
Grand openings
Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.
Silver bullet
The Silvertown Tunnel is finally open for business. One question remains: what’s it for?
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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