"But the most effective strategy was to physically restrict access to suicidal hotspots. Doing so yielded a 90% reduction in suicides at the sites.
It may seem like a fence or a barrier would be too small of a gesture to stop a suicide, or that people who are suicidal will simply find another spot to take their lives. That’s a fallacy, says Pirkis, since suicides are often more impulsive and less premeditated than we think. “You can take the opportunity to change the track of a person’s thinking,” she says, just by setting up a small barrier."
http://time.com/4044218/suicide-suicidal-hotspots/?xid=tcoshare