Route
Junction number
21
Markerpost
155 km
Name
Whetstone Interchange
Terminus
Not a terminus
Other routes
M69, A5460
Authority
Restricted turns
Full access
Services
No services
M1 J21 Whetstone Interchange
Layout and signage
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
What's new
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?
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...
Preston Bypass
The very first motorway was eight miles of relief for the Lancashire town of Preston. It goes without saying that there's an interesting story to be told about it.
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