Here's an awful lot of info for you to read. As far a road conditions, if you've been to California and can drive on their rough roads, you can handle the Alcan - just SLOW DOWN, don't get in a rush. There are frost heaves and after you bounce all of the clothes off of the clothes rod in the closet once or twice, you'll pay more attention when they mark the frost heaves.
This years Roll Call Alaska 2016Roll Call Alaska 2015There's also a Roll Call Alaska 2014 & 2013, but the forum isn't working properly so you can't recall the older ones.
Bill