One of my PD legacies was teaching officers that Fire and EMS could take as many lanes as they want, until they are done.
I had a run in with a state trooper one night, on an accident. Rolled our squad truck onto the interstate , pulled up on the scene, blocked the accident lane and the next lane over. Fire came up behind me and blocked. Ambulance came around me and started to work. patient to be backboarded, so I remained in the lane. Trooper comes up, banging on the truck doors, saying to free up the lane. I told him I couldn't, they were pulling the patient out and the crew was standing in the lane he wanted to open. Again he said to move. Again I said about 5 minutes. Trooper then gets REAL huffy, says if I don't move the truck now he will arrest me. I exited the truck, put out my hands and said OK. He stomps off to his car.
5 minutes later, EMS is done, I move the squad, and then walk back to the trooper's car and show him my PD detective shield. I told him you can't arrest for that charge, all you can do is write the summons, and then if I don't sign it, you can arrest me. He blows up, stating that I embarrassed him. Excuuuuse me? You embarrassed yourself. A lot of people know the law, and coping that attitude will get him in trouble.
To their credit, VSP doesn't bother with Fire and EMS. Personally, speaking as a cop, I sorta like that 20 ton traffic cone.