After passing Main Street, which goes to the little town of Sunol, and proceeding on a long straight stretch of Highway 84 on the way to Fremont, the posted speed is 45 miles per hour. This stretch of roadway is about 1 mile in length before entering the curves of Niles Canyon. On the roadway shoulder, tucked in the trees, sits a CHP, or a Sheriff, or a Motorcycle cop with radar gun in hand.