![Improving the experience for customers: STM prepares pilot project for boarding buses via all doors on the 121 line | Société de transport de Montréal Improving the experience for customers: STM prepares pilot project for boarding buses via all doors on the 121 line | Société de transport de Montréal](https://www.stm.info/sites/default/files/ap_visuel_emb_toutes_portes_fr.png)
Improving the experience for customers: STM prepares pilot project for boarding buses via all doors on the 121 line | Société de transport de Montréal
![It's Official, Montreal STM Buses Will Now Let You Use Your OPUS Card Through The Back Door - MTL Blog It's Official, Montreal STM Buses Will Now Let You Use Your OPUS Card Through The Back Door - MTL Blog](https://www.mtlblog.com/media-library/image.png?id=26901250&width=1245&height=700&coordinates=0%2C3%2C0%2C3)
It's Official, Montreal STM Buses Will Now Let You Use Your OPUS Card Through The Back Door - MTL Blog
![STM on Twitter: "À compter de lundi jusqu'au 19 juin, la #stm teste l'embarquement toutes portes sur les bus de la ligne 121 https://t.co/NM0xOft60v" / Twitter STM on Twitter: "À compter de lundi jusqu'au 19 juin, la #stm teste l'embarquement toutes portes sur les bus de la ligne 121 https://t.co/NM0xOft60v" / Twitter](https://pbs.twimg.com/media/Cd1qSpUUIAIZ5rV.jpg:large)