As someone who grew up in a farm house and shared many roads with tractors/combines/etc, this is absolutely correct. In fact, I've never seen or heard of tracto

As someone who grew up in a farm house and shared many roads with tractors/combines/etc, this is absolutely correct. In fact, I've never seen or heard of tractors driving side by side on a road (except, I suppose, if one tractor were trying to pass the other, but this would be highly unlikely).