Speed controls being used in Eastern Canada.
Don't know 'bout you, but it would slow me down! People slow down to try to straddle the pot-holes.
This is actually a speed control devise in use! It is cheaper than cameras, especially when moved around each day.
Look at the poor dude on a motorcycle.
To me, these look like an accident waiting to happen!
I can just imagine how many rear end collisions they have the potential to cause.