When do you pull over for flashing emergency vehicle?

I tend to follow the same rules as school bus lights.

If there’s an actual, concrete barrier of some kind between me and the sirens, I don’t stop or pull over.

If there’s no barrier, I stop until the vehicle passes so as not to impede the emergency vehicle if it needs to turn.

Unless there is a physical barrier that would prohibit them from entering my side of the road, I pull over. I also would not cross an open intersection as they approached incase they needed to turn.

The law in Ontario is to pull over and stop, no matter the direction. I always pull over and stop as soon as possible.

 if they're coming up behind you going the same direction...
*** Yes obviously pulling over

But if they're in the opposite lane, coming toward you... do you pull to the side?
*** If there is no median usually yes I pull over depending on the traffic, speed, etc... If it is obvious they are not whipping around and going straight then I will probably keep going unless everyone else is pulled over and I will too. 

An EMT told me you should, because they might need to turn left across the traffic you're in. I'm like "what if there's a median? They can't turn left." and he said even then, pull over.
*** If there is a median and no way of coming over I am still going.  

I'm thinking on the highway with the giant grass median, like the interstate 3-4 lane scenario, THEN maybe oncoming traffic doesn't need to pull over.
*** No not pulling over.. I will keep my eye out on him.. but yeah, buy the time IF he is turning around I would be long gone anyways.

But I haven't been pulling over when they're coming toward me, median or no. I've been wrong.
*** You so bad! LOL

In any direction they are coming I am watching and paying attention.. If I am wrong or right in my answers, I am watching and doing what is needed to do.  

That happens here as well... If no one else is stopping I pull over as far as I can and keep with the flow.. they do usually slow down a bit.  

If there is no physical barrier between me and the emergency vehicle, I pull over. If there is some type of a barrier but places where a vehicle could make a U turn, then I would pull over. If there is a solid concrete barrier between the lanes with no place for a vehicle to turn at all, I wouldn’t.

I pull over, unless there is a divided highway with no crossing over.

My neighbor, a state trooper, told me that driving with flashing lights and siren is the most dangerous thing he does. I pull over to make it easier for them.

My sister is a emt with the fire dept... i pull over every time i see them... coming or going... i wait for them to pass... sometimes im the only 1 but i would hate to be the reason for someones tragedy

This whole topic is interesting because I got rear-ended a couple weeks ago after I stopped for an ambulance. 

I was in the inner of two lanes going south; it’s a left-turn only lane onto a one-way street. The outer lane is for going straight through the intersection. I heard the ambulance, saw it coming on the east-bound one-way and stopped (no way to pull over) even though we had the green light. And I stopped well behind the line because I didn’t know if the ambulance would go straight or turn left in front of me. I watched the car to my right continue through the intersection, crossing ahead of the ambulance. Then, crunch, as the car behind me didn’t stop in time. She told me she was looking at the ambulance; I said “That’s why I stopped.”  It’s not like she couldn’t have stopped - I was at a dead stop for several seconds before she hit me, because it was after I watched the other car cross in front of the ambulance. That was a stupid move, as close as the ambulance was.   
  
I also witnessed an accident on Monday, when a car sped up to run the red light and hit the car ahead of me that was turning left. And when the police showed up, they went on the wrong side of the street, around a center barrier, in order to get to the site. So unless you’re on a divided interstate, stopping and pulling over is always the right thing to do.

It's a horror show here - there's usually a lot of cars on the road and nowhere to pull over; the result is that if everybody stopped, the ambulance would be stuck in the middle, unable to move. Also, there are so many sirens, it seems that no one would get anywhere if you came to a dead stop for all of them! That's probably not completely true, but it seems that way.

I don't drive here, but what I see is people trying to get out of the ambulance's way. I'm pretty sure there's a lane in the middle of the road that is designated to be cleared for emergency vehicles.

It pains me to see a screaming ambulance stuck in traffic. I have been the one waiting for it to arrive, wondering what the hell was taking so long.

In my area, cars pull over on both sides of the street. Just like for school buses.

Always better to give police / rescue vehicles / ambulances all the room they need.