Word of caution
I'm out on a ride right now doing some scouting where I made up auto routes in CN2013.30 using Mapsource, then converted them to tracks using WinGDB.
Guess what? Not all those roads in CN were actually there! Ran across one just today - heading east out of Laramie it showed a road up the mountain just north of the expessway..... all that was there was a faint, very faint, two track mostly blocked off.
So, if you use that method to create tracks, be aware that they may not work. I've has numerous occasions of this being the case the last 3 weeks and 5800 miles...