Montreal's public transit system is expansive and iconic. The metro (subway) has a network of four underground lines that primarily serve the core of the city and four light rail trains to suburbs on and off the Island. There is also bus service, including an airport shuttle that services downtown, and paratransit services. For information on routes, schedules, and fares,聽please visit the .

不良研究所ians can get an annual membership discount on the BIXI bike-share program.

For resources on Montreal public transit, biking, electric vehicles, accessibility, and more, check out the 不良研究所 Sustainable Travel Guide.