I've used that route many times , north & south bound. Some refer to the NV drive, as boring and others avoid it because of spotty cell phone coverage.
JMHO: I'll take boring over the traffic mess around Salt Lake City.
The long down hill into Pemberton OR, I-84, requires attention to your control speed at the top of the hill.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.