In April 2019, the TTC received the first of 60 electric buses from the three bus manufacturers: Proterra, New Flyer, and BYD. On 3 June 2019, the first electric bus (from New Flyer) went into revenue service on the 35 Jane bus route. On 26 October 2019, Proterra Catalyst BE40 electric buses went into service on the 6 Bay bus route. By September 2020, the BYD K9M buses had arrived, and on 8 September, the first BYD bus went into service on the 116 Morningside route. At this point in time, with 60 electric buses, the TTC boasted it had the largest fleet of electric buses in North America.