Montreal subway has internet.
https://www.stm.info/en/about/major_projects/completed-major-projects/mobile-network#:~:text=You%20can%20now%20browse%20the,métro%20cars%2C%20tunnels%20and%20stations.
Network availability
Starting in December 2020, the mobile network will be available in all 68 stations and 71 km of the métro.
A partnership forged by technology
The mobile network is now up and running, featuring state-of-the-art mobile technologies: 3G, 4G and 4G LTE . You can now browse the Web, watch videos, listen to live music, make and receive phone calls and much more, while travelling inside métro cars, tunnels and stations.
The project began in 2014 and was made possible by a joint $50-million investment, shared equally by telecommunication providers Bell, Rogers, TELUS and Vidéotron.