Calgary's streetcar rail also has a flatter profile on the rail head then standard rail head. You can actually feel it with your foot when you walk on it at Somerset when you're Crossing CP Rail and C train rail crossing
I also have a sliver of a wheel from one of the C train tires. My dad has a chunk of regular rail and I made a comparison there's quite the difference on the profile.
The Calgary cars can easily be towed on the Edmonton rails.. but an Edmonton car would have to be on trucks because it would tear up the frogs in the switches because of the flange difference.
Prime example would be the Calgary cars crossing into the CP spur at haysboro.