Cops never obey the rules of the road. In a non-bike related incident: I was driving with my boyfriend in Philadelphia. We came up to a stop sign at an intersection. The road we were on was two-way but the cross street was one way. I checked to see if anyone was coming down the road and the proceeded to turn right onto the one-way street. Next thing I know my boyfirend is yelling for me to stop. A cop is going the wrong way down a one-way street in his patrol car, and at a decent speed. And he didn't have his lights/sirens on or anything like that. He was within inches of smashing into me, and then shot me a look like I was doing something wrong...