Trip Wizard do a pretty good job of routing around hazards based on what you enter in your RV information. But as RickNC says, no device or piece of software in existence today will be 100% reliable to route you around hazards. Always cross check with as many alternate sources as you can, and even then you may wind up going down the wrong road every now and then.
There are 10 types of people... Those that understand binary and those that don't.
2018 Tiffin Phaeton 40AH/2018 Hyundai Elantra Sport Toad