I think if more is done at the stations the attempts will be made elsewhere. Three years ago my ex partner made several attempts on her own life. When she was pregnant several times she went to the local station, small two platform job, with high speed passing trains. Thankfully something or someone always stopped anything happening. Last year she succeeded in taking her own life, this time via an overdose at home.
We had talked many times for years that if she really is going to do it, think about the consequences for others. In her worst state of mind she really thought the train station was the best, she had timetables and knew which was the best bridge or level crossing etc. It wasn't until one of the mental health workers explained what happens to the train driver, people who see it and those who scrape up what's left, and how many of those suffer for years afterwards.
I understand the need to stop it happening on the railways, but I really think it pushes the problem elsewhere, since barriers were installed at the stations, I've noticed more suicides being reported of people jumping off motorway bridges etc.
There is no right or wrong answer to suicide, some people are simply programmed from birth to act on dark inner thoughts. All we can do is be there for those around us, sadly even that isn't enough for some people.