Lately I have been watching "Outback Truckers" on youtube and it is about truckers in Australia.  They drive on the left hand side of the road and the steering wheel is on the right hand side of the vehicle.  Since those are backwards are the doors to the trailers on the other side as well?  Our doors are on the "curb side".  Is the same true in other countries but their "curb side" and "street side" are reversed from USA. 

This is just one of those odd questions that pop up in your head and make you go hmmmmm  ???