I have been in a few situations where I would have loved to use the pit maneuver....
Maybe we could turn it into a revenue situation - have cameras in the ambulance, and when there is a vehicle that won't get out of the way, the driver can touch a button that will take a picture of the offending vehicle's license plate. Then the registered owner of the vehicle will receive a ticket in the mail, much like the photo radar tickets issued now. If the fine $$ amount was high enough, it could encourage people to pay more attention. It could also be like photo radar tickets in this area, where you can't renew your license or insurance without paying the ticket in full.
Of course, then we woul.d have to change the front decal to "Move your Ass or Get a Ticket"