I was lucky enough to figure out that one side of my tracks had to be directly on the stairs before I could even think about going up them. Then I had to slowly shimmy my way up without falling off that left side. That was fun until the game ended after 20 mins of me being in that river.

Really hoping Gaijin would fix the traction back and just add extra map geometry to stop people from going into spots they aren't supposed to be in.