Can't wait for this update! But I can see one thing being a problem, which is on TruckersMP. If they update MP to this new update soon after it comes out, and lets people pull them, They better have lots of admins on, plus hopefully new rules to go along with it. As there will be people who wont be able to drive (Like turning, heck, some people can't even drive straight now.)
MP is gonna be a mess once they update it. I am really gonna hate to see how people drive with these doubles. It would be an awesome idea if you want to be able to pull doubles on MP, that you have to go through a driving test just to see how you handle them.