BTP hopes that rail passengers will be more likely to report incidents such as anti-social behaviour, if they can do so via text message.
Deputy Chief Constable, Paul Crowther said: Text messaging is a quick and everyday way to communicate and we know passengers want to be able contact us this way.
“By encouraging passengers to also report incidents via text, we hope we'll get a more complete picture of the sort of low-level but all too common incidents that affect people’s journeys across the network.
“However, text messages should never be sent in an emergency situation as there are no guarantees that they send correctly or are received promptly.”
More top news
People are invited to share alleged racism or xenophobia stories after Brexit vote to highlight "need for a plan to tackle" social effects.
More than 1,800 litter pickers will clear an estimated 57 tonnes of reusable items and half a million sacks of rubbish.
The Polish Embassy said it is "deeply concerned" by alleged incidents of abuse directed against Polish people after the Brexit vote.