... a d/slip, but have got myself rather confused. I have attached what I have done so far. Any help with the next stage would be most appreciated! I know it looks a little untidy, but thought I would ask anyway. Hi Martyn, I have cleaned up your corrupted .box file, and you can download it from: Attached file: slip_for_martyn.box (click link above with right mouse button, then select Save Target As... or Save Link As...) Here's a screenshot: slip_for_martyn.png You were doing fine. The next task was to adjust the slip road plain track (template no.6) to line up with the slip switch at the far end (template no. 5). That has to be done manually using the F4 and F6 mouse actions. I have done it for you in the new file. The tools> make slip road function is a little misleading in that regard. It doesn't do the whole job for you. It simply shortens the slip switch template to the end of the ...