Not many people know that Royal Parks in London have a 5mph speed limit, which the police have recently decided to exploit poor cyclists with radar guns…

BBC Radio 2 DJ Jeremy Vine got busted for 16mph in Hyde Park recently:

https://twitter.com/theJeremyVine

http://road.cc/content/news/136571-radio-twos-jeremy-vine-busted-speeding-hyde-park-his-bike