Still, that is no reason to ban photography. All terrorists have to do is board a train with a bomb. Also, terrorists don't need photographs of trains by themselves. All theey have to do is go to www.Railpictures.net.
Perhaps that policy was made by executives who just want to appear that they are doing all they can, in a situation where they can do very little.
It's a sad thing too, that people in other parts of the country and world do not realize how the terrorism threat has effected us in this area. It's a shame when little freedoms like this are denied us because of a bunch of fanatics.