A Yukon said- quite a few places to roadside camp in northern sections. (a LOT fewer than the last time I did the Alcan, about 20 years ago. Fancy new highways eliminated most of them) Keep your own notes as you come north for potential overnight/break sites, including distances from checkpoints (towns, rivers, etc) so one can plan nightly stops on way back down, as one travels. Milepost does not list gravel pits, etc...
Wish we had done so on way south...
If one is into hiking, there is a good one at Kluane Lake, going up the mountain. Once out of timberline, one can go quite a ways back into the alpine. Part of it is real, up to the historic point viewing platform. From there it is a game trail up the ridge beyond. Take some flagging tape to mark the "trail" where you break out of timber, not that we had any trouble coming back down after missing it. But then, we are used to stuff like that. Next time we'll take more water, and get back in more. Dall sheep.
That little white dot down there in the parking lot is our camper pickup. I got a bit of a slant to this one also
And in the other direction..... I'm telling you guys, some of this scenery is just too good for Canadians, not that I have anything against them.....
IIRC, just north of Smith River (we walked in on SRF road, and there was bison crap on it). BE CAREFUL! Truckers don't slow down for anything - this herd of 40 or so were on both sides of the road, even up on the gravel shoulders. Those mother-truckers barreled right on through, doing 70 or 80 - whatever the speed limit was there. Saw one bison road kill., as well as one caribou (missed a big bull by inches ourselves), one sheep, a black bear, a moose, an elk, a couple deer.