Hurontario St. is one of the busiest transit corridors in the 905 Region of the Greater Toronto Area. Mississauga and Brampton each run separate systems, but routes cross city boundaries. In addition to local routes operated by both cities, Brampton Transit operates a rudimentary bus rapid transit line along it, branded as "Züm", and Mississauga's MiWay runs a limited-stop express bus route. The MiWay express bus and the southern portion of Zűm are slated to be replaced by a proposed light rail transit line that is to be constructed along the street in Mississauga and a short distance in Brampton (see Hurontario LRT). The project