Trying to setup my 1st train, but I seem to be very limited as to where I can put it. I have an image below, it seems to only be able to to fit in a few locations. In the picture it can go from where it is placed at the bottom to the left between the walls. The other place is along the top. My station stop I need to build is to the lower right where the oil is, but it wont let me place it anywhere over there.

There are no problems with the track, I have ridden the train around it multiple times, there are no obstructions. There is also a long straight away near my base station, but the same thing occurs there, I cant place it anywhere near it.
Please help with this issue, as I would hate to have to lay pipe all over the place to get the oil to my base.
I have the saved here here:
https://www.dropbox.com/s/lmfklk5zw6wik ... _train.zip