Route
Junction number
9
Markerpost
56.1 km
Name
Letchworth Gate Interchange
Terminus
Not a terminus
Other routes
A505
Authority
Restricted turns
Full access
Services
No services
A1(M) J9 Letchworth Gate Interchange
Layout and signage
|
Letchworth Baldock A505 |
A505 | 
|
A505 |
Letchworth Hitchin A505 |
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 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...
Skelmersdale Link to M6
Bold plans and unrealised ideas for the New Town of Skelmersdale are set out with great ceremony and excitement in this book that marks the opening of a road that became the M58.
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