That pretty much settles it: Telus hiring LTE engineers {Engadget Mobile}

Feb 22nd 2008 1:15PM "It'll take some serious investment on their part to get this done, though it's about time. Much of their coverage in western Canada right now is leased from Bell, so they'll need to do some construction of their own if they want to preserve their coverage outside of the big cities."

Actually, in the west it is Bell who roams on TELUS. Bell has very little native coverage west of Ontario...