When im in editor im sick of it that after i made somthing i have to ride the whole damn track before im at the point where i made a change. So here is my idea.
An extra button in the menu so you can click on it and a cross will come into your editor screen, you can click on it and drag it around and when you go back in the game you will start on the place where you set the mark:

i think this helps alot haha!
