Ron, Thanks for the info.
We are going to head West out of Michigan on 80, and plan to hit up the below locations.

Iowa 80 Truck Stop and Museum
https://iowa80truckstop.com/

Gas Pump Heaven
https://www.gaspumpheaven.com/shop/home.php

Speedway Motors & Museum
https://www.museumofamericanspeed.com/

--Tom