Socio-economic data, profiles, and summaries for Canada. Statistics Canada produces a variety of spatial products associated with the Census. These files include Census cartographic boundary files, Road network files, and Skeletal road network files. They come in ArcInfo E00, or MapInfo format.
http://www.statcan.ca/start.html
or
http://geodepot.statcan.ca/Diss/Maps/ReferenceMaps/index_e.cfm