Quebec to make masks mandatory on public transit as of July 13 The STM, for its part, said in a written statement that it would not adopt a coercive approach to ensure compliance.“With 68 metro stations, hundreds of entrance gates, and more than 1,200 buses in rush hour traffic, our teams cannot prohibit access to facilities or vehicles, but will make sure to educate customers about the importance of respecting this measure,” said STM spokesperson Isabelle Alice Tremblay.The STM said audio messages are played on the metro, while bus drivers can play pre-recorded messages on the bus if they see clients who are flouting the rules.Furthermore, station agents and STM inspectors have masks they can hand out to commuters who need them.So far,.