I may have an opportunity to tag along with my brother on another trip out west, but this one would offer the opportunity for solo exploration, and that's where I'm seeking input.
He's hiking down into the Grand Canyon, heading in on Feb. 23 (a Wednesday) and coming out on March 1 (a Tuesday). I would have to find something to do for that time, so I'm entertaining possibilities.
One thought is to try to do the US 160 end-to-end drive and then finish up what I lack on US 60 (from near the MO-OK line to the western terminus) but I'm not sure I could get all that done in time to be back to the Grand Canyon to pick him up. Plus, there may be weather concerns along US 160 in Colorado.
County-collecting is another possibility. I'm presuming it would be feasible to clinch Arizona and knock out a good chunk of New Mexico, so ideas on an efficient routing are always welcome. Preferably routings that avoid big cities like Phoenix as much as possible.
I'm also intrigued by the thoughts of driving US 191 south of I-40 (formerly US 666), as I've heard a lot about that road, but again I'm worried about weather concerns.
I'd probably be driving my brother's Nissan Titan 4WD truck, but I might rent a vehicle (depending on rates and availability) that would be easier on gas, and also not worried should I have vehicle trouble or a wreck. So that makes me wonder how to accomplish that. I presume most rental agencies have presences in Flagstaff. I do have a discount available from AAA, as well as possible other discounts (employer, auto insurance, I'd have to research to figure out any others). Availability and rates do concern me, as I'd want some sort of crossover; something higher off the ground than the standard Chevy Cruze rental.
How are room rates in this general area? I'm presuming this is the off-season, so they'd be lower than in other seasons. I also know gas is probably significantly cheaper in Arizona than Utah, based on what I saw in Kayenta back in August, as opposed to other places along the US 163/191 corridor between Kayenta and I-70.
I'm just throwing stuff against the wall now. Got a lot of time between now and then. And if I don't have my tax refund by that time, the trip's a no-go.
Total counties:

New Mexico:

Arizona:

The only route clinches I have in the area are I-15, US 64, and US 163 in Arizona.
It should be noted that he has a permit to drive the White Rim Road in Canyonlands after he comes out of the Grand Canyon, so we'd be doing that. That would involve US 160 east back to Kayenta, then US 163 and US 191 back north to Moab.