Over 40 years and still got a clean licence :) - Likely more by good luck than anything else, plus I rarely drive these days.

I often forget about them, but haven't had any letters from the police yet, so my driving can't be that fast!

It's very easy to get caught by them. You tend to forget that you're being monitored.

An interesting article. I've come across these a couple of times while travelling about: [url]http://www.rugbyadvertiser.co.uk/news/local-news/the-rise-and-rise-of-the-average-speed-camera-how-they-work-and-what-you-should-know-about-them-1-7411994[/url]