I work in heavy highway, meaning on freeways. I usually start around midnight, because it's safer! Get all the equipment in the center median, then start working the shoulders. It is my opinion that you have to be a complete fvckup to get pulled over these days. The signs that show a cars speed are just a waste of time. Nobody looks at them and I've witnessed CHP and city police hauling ass through a construction zone. There is no enforcement.