Route
Junction number
None
Markerpost
11.4 km
Name
Marsh Leys Interchange
Terminus
Not a terminus
Other routes
A428, B531
Authority
Restricted turns
Full access
Services
No services
A421 Marsh Leys Interchange
Layout and signage
|
Northampton A428 (A6) Bromham Kempston |
B531 A428 (A6) |
|
Northampton A428 (A6) Bromham Kempston |
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
Farewell GLC lights
Why am I all nostalgic about some street lights being replaced?
Silver bullet
The Silvertown Tunnel is finally open for business. One question remains: what’s it for?
Skid Risk, Accident, Fog
For the first time, we can share pictures of the pioneering experiment that lit up the Worcestershire countryside with enormous signs 61 years ago.
Have you seen...
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