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
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Have you seen...
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The M621 has one junction where everything leaves the motorway and heads for the city, and a very bizarre junction it is too.
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