I don't know but it's worrisome how much force must be on those structures. Here's what the repair looked like
Just went through his built thread linked from the video. He built that with all manual machines. I'm pretty damn impressed. http://www.modelenginemaker.com/index.php/topic,3007.0.html If anybody wants to have a look.
If I was piloting the train and at the intersection she was tied to the track on the left and you were tied to the track on the right, I'd cut you into unrecognizable pieces without so much as an afterthought.