On 8 Oct, 11:20, The Natural Philosopher wrote:
Andy Burns wrote:

yes they are, I've seen several artics with stickers on the back saying
"this vehicle is restricted to X mph" where X is lower than the 56 mph
limit (and I don't mean the 40 mph limit on single carriageways).

50mph on single carriageways....

40mph. Highway Code, section 123.

http://www.direct.gov.uk/en/TravelAn...code/DG_070304

Ian