US 287 & 26 are the ACA route. Big highways but scenic & traffic was not threatening.
We had a really good blogger on our 2009 ACA group tour. Here are his CGOAB entries from Rawlins to DuBois E > W
Rawlins > Jeffrey City
Jeffrey City > Lander
Lander
Lander > Dubois
I believe the "motel" at Jeffrey City is (thankfully) now closed. The Baptist church may be hosting bicyclists again. Waaay back in 1983 we camped at the JC Lion's Club Park ...
Jeffrey City WY 1983