Best and Worst-

My husband and I are just starting in the trucking industry and are curious of what you believe to be the best and worst. If you wouldn’t mind filling in any or all listed below that would be awesome.
Worst Passes
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Favorite Routes/Interstates/Hwys:
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Hwys/S/R’s/Passes to never go on
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Cities with the heaviest Traffic
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Best Truck Stops
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Worse Truck Stops
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Any other Suggestions???

Also, I have heard that there are a few R/A’s that have walking trails, such as one on Donner Pass, does anyone know of any other R/A's that have trails?
And lastly, if you had some extra time on a route, what Places (National Parks ect) do you suggest to stop at that are close to interstates and have truck parking. Is this even something that may be possible or are we dreaming?
Thanks for all your suggestions and advice! It is very much appreciated!