[steam for ever]

I use MSTS and use the settle- carlsile route on a regular basis. However, has anyone notices that when you begin from Carlise instead of settle, all the points are locked, and you are routed for about half a mile along the route to manchester, where you then meet buffers, and often with me, a crash. I know how to change points, but they are locked out and this is the set course so to speak. How do I get round this?