Société de transport de Montréal: Focus on recovering ridership and expanding electrification June 1, 2022 | TA/ TSO Focus Société de transport de Montréal (STM) has been able to regain just 60 per cent of its pre-pandemic ridership level which stood at 283.5 million in 2019. STM’s current plans and strategies are focused... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password