Züm (pronounced Zoom, IPA: /zuːm/) is a bus rapid transit system for the suburban city of Brampton, Ontario, Canada, northwest of Toronto owned and operated by Brampton Transit. The first phase calls for three corridors operating in mixed traffic, similar to York Region Transit's (YRT) Viva network. There are connections to the City of Mississauga, York Region, and the City of Toronto, with the first corridor having started service in fall 2010.