Originally Posted by
sm1960
Tough to fight it if you are guilty. I have run a red a couple of times recently, but that's after waiting for the light to change and failing because the road sensor isn't set for a bike.
The light sensors are wires buried in the pavement, which basically 'see' the metallic mass of a cars magnetic field. Get a couple of the really strong rare-earth / neodymium magnets and attach them to the bottom of the bike frame.. The same trick works on motorcycles, many of which also don't trip the sensors. ;-)