From Pioneer's web site it says so. "...the ND-TMC10 traffic tuner provides real-time traffic data for over 90 major cities in North America, including Canada."
http://www.pioneerel...onents/ND-TMC10
From the looks of it, they use Clear Channel Broadcasting Inc which owns Total Traffic Network.
http://totaltraffic....raffic/Toronto/
I really hope it works!