I was downtown Toronto today. What lets the ttc away with having 2 blue led lights on the front top of all of there busses

Hey all I am getting a minibus soon,I am planning on adding additional fog lights etc to the front. I know I can only add white or amber but what other restrictions do I have to compile with? I am also adding additional break and turn indicators to side and rear, again any issues? Lastly I am adding...

Hey there

I am going to adding an air horn to my personal bus once it arrives.

I wanted to know if there are any restrictions, as regarding horns which I need to be aware of.

Thanks