In a surprising announcement, the Team Fortress 2 map cp_well, is going back to it's original roots. The alternative Capture the Flag version will have a modified layout and according to a comment from a PCgamer staff member, that the trains will be disabled.
"...The area near what was once the second-to-last control points have been rennovated to give another set of stairs to the upper floors of each team's home building, but other than that the structure of the map is largely unchanged."
Read the article here.