As I ride the City of London …there are a couple of places police motorcycles are parked up with riders waiting in anticipation of moody riding/driving …hopefully they are after car/van drivers with mobiles but … here are the locations …
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http://maps.google.co.uk/maps?f=q&hl=en&geocode=&time=&date=&ttype=&q=giltspur+road&sll=51.451808,-0.192757&sspn=0.225501,0.520477&ie=UTF8&ll=51.516982,-0.101516&spn=0.007037,0.016265&z=16&iwloc=addr&om=1
Police bikes> park at the lights here watching old bailey and also traffic passing east -west on a40
http://maps.google.co.uk/maps?f=q&hl=en&geocode=&time=&date=&ttype=&q=st+botolph+st&sll=51.513697,-0.074716&sspn=0.007037,0.016265&ie=UTF8&ll=51.514832,-0.074694&spn=0.007037,0.016265&z=16&iwloc=addr&om=1
Saw 2 police bikes parked up on the one way system watching traffic turn off mansell street and into aldgate high st …could have been watching the bus lane there.
http://maps.google.co.uk/maps?f=q&hl=en&geocode=&time=&date=&ttype=&q=blomfield+st&sll=51.516888,-0.083942&sspn=0.007037,0.016265&ie=UTF8&ll=51.517142,-0.085208&spn=0.007037,0.016265&z=16&om=1
Saw a police motorcycle parked up in the middle of finsbury circus by pizza express …watching east -west traffic and the lights on london wall …maybe another mobile phone watching exercise (or maybe the policeman was waiting for a pizza ?)
only one that might affect me is blomfield street on my way to the A1 but to be honest i dont think i attract the wrong kind of attention at the moment 
(playful poke)