The survey of 2,085 UK adults was commissioned by charity Samaritans to launch its latest Small Talk Saves Live campaign in partnership with Network Rail, British Transport Police (BTP) and the wider rail industry.
London Bridge station is hosting an exhibition named The Power of Words to celebrate people who have saved lives by using small talk.
Olivia Cayley, of Samaritans, said: “We know that people can worry about saying the wrong thing or feel like it’s not their place to step in, but it’s always better to say something than to say nothing at all.
“A little small talk and a simple q...