This is awesome. I have lived this video game. I just finished driving a 1987 ex-military Land Rover 110 from Galveston, TX to Seattle, WA. My top speed is around 55 mph (pushing it) but most of the time I averaged between 40 and 45. I took the backroads, mostly dirt roads in the desert, whenever I could.

Pics:

Galveston to Colorado Springs: http://www.flickr.com/photos/defender90/sets/721576332973927...

Colorado Springs to Salt Lake: http://www.flickr.com/photos/defender90/sets/721576335549344...

Salt Lake to Seattle: http://www.flickr.com/photos/defender90/sets/721576341355761...