Clear the road
Sometimes the rules of the road involve more than simple courtesy. Following the rules can be a matter of life or death.
Some area motorists seem to be unaware of what the sirens and flashing lights on emergency vehicles signify.
There are times when a driver cannot get out of the way in time when an emergency vehicle comes up suddenly, but at other times drivers simply want to get down the road a few more yards when they first see the lights and hear the siren, then find themselves in a location where they cannot get out of the way quickly.
That few more seconds of driving that the thoughtless motorist tries to accomplish won't make much of a difference in the motorist's life, but the difference between a successful emergency response and tragedy can be a matter of seconds.
When an emergency vehicle is going down the road with lights flashing and siren blaring, people should be aware that somebody somewhere might have stopped breathing, or be bleeding profusely, or be trapped in a burning building or be facing any one of numerous life threatening situations.
There is also the possibility of a collision with an ambulance, fire truck or police car when a driver delays clearing the road, compounding an already bad situation.
For those morons who need the obvious explained to them, sirens and flashing lights mean "GET OUT OF THE WAY!"