We've driven 191 from Rock Springs to Jackson, and it's a good drive. In fact you cross a wagon train trail if you want to stop.
After Jackson, it's also a very good drive thru the Teatons and into the park, not to worry.
Success is hiring someone to mow your lawn so you can play golf for exercise.
2018 GMC 2500 Duramax Denali
2018 Coachman Freedom Express 287BHDS
60+ campgrounds/400+ nights, 20K+ Miles towing since 2015