Route
Junction number
6A
Markerpost
Unknown
Name
Castlecary Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
B816
Authority
Restricted turns
Some turns restricted
Services
No services
M80 J6A Castlecary Interchange
Layout and signage
| B816 |  |
B816 |
Bonnybridge B816 |
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
Schrödinger’s speed limit
In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.
Sorry, wrong number
Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?
We need to talk about Wisley
National Highways are spending a third of a billion pounds rebuilding one of the most congested junctions on the M25. Is it money well spent?
Have you seen...
Forth Bridges
There's plenty of pictures of the three magnificent bridges over the Firth of Forth at Queensferry. But not many are taken from beneath.
About this page
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