Highway 77 in Arizona - recommended for a 39' motorhome?

If you like the hair standing up on the back of your neck that is a great road. I've been on that road many times. It is a beautiful drive with wonderous views especially Salt River Canyon. Like "2gypsies" said if you're not use to steep downhills and uphills on a mostly 2 lane road, it's a really white knuckle drive. Myself with my rig, I'm bit of a novice driving MoHo so I'd go the extra 100 miles myself.