kfae8959 wrote:martine wrote:Smart motorways often have average speed cameras...
Which ones?
David
If they're the (often yellow) ones on the posts, pointing towards the sign gantries, then they're 'spot' speed. Average speed cameras are usually one camera per lane, on separate posts, they'll be at regular intervals and at junction slips.
T&C's apply: this advice is to be considered little more than guesswork and should not be quoted as definitive.