This morning on my way to work, I was driving along the motorway which marges with another motorway. As I was about to join the new motorway, I noticed a police van with a mobile speed camera sign on the back. I was alongside (i.e. parallel and not in the same lane) this van for a couple of secs and doing approx 57mph in a 50mph zone. Can the camera get you from this angle? Is there any way of knowing they have caught you speeding?