That's my understanding too - used to commute daily from the a3 to m4 junction and my experience is similar to Aiden's. Equally, I've been through the 50mph ones at 70 and didn't get flashed, but that's probably more risky!
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.