https://www.thecanadianencyclopedia.ca/en/article/montreal-metro
https://en.wikipedia.org/wiki/Montreal_Metro
https://en.wikipedia.org/wiki/Montreal_Metro#Rolling_stock
Streetcars and trams, along with buses, can help any Metro train or Subway system. Unlike Montreal and Vancouver, cities like Melbourne, Toronto, Boston, Philadelphia, SF and New Orleans retained some of their tram or streetcar lines.
https://en.wikipedia.org/wiki/MPM-10
| 9 articulated cars per train |
https://en.wikipedia.org/wiki/MPM-10#Specifications
Of course a good urban transportation network keeps evolving and the REM trains are a nice addition.
