But both unlocked, and standing open. I chanced it, on the basis that I wasn't going to do any harm to the place, and there weren't any signs telling me to keep out.
I don't know for sure if I was even trespassing, but for goodness' sake don't trespass on actual railways, kids. I'd carefully done my research and there haven't even been tracks here since 1921.
GPS Coordinates:
51.45615, -2.62775
Location: Clifton Down