OpenHistoricalMap/Projects/Lincoln Highway
The Lincoln Highway is a route that was announced officially in the 1913 and was set forth by a set of business men. A route book could be purchased later in the year that took travelers along existing roads. There are at least three levels of routes. The 1913 route a second version with a publication from 1921 a third version that has lots of US 30 and before becoming US 30 with the numbered naming conventions.
different routing
1913 route
National Highway Map c1918 https://www.loc.gov/resource/g3701p.ct001837/?r=-0.184,-0.175,1.394,0.703,0
1921 route
pre 30 route
US 30 route
Post US 30/ I-80
Sources
TOPO Maps as provided here: https://ngmdb.usgs.gov/topoview/viewer/#4/40.01/-100.06 Which also includes a set that is available directly on ID and JOSM.
Licoln highway published 1920 https://blogs.loc.gov/maps/2018/02/1920s-road-trip-the-lincoln-highway-in-strip-maps/
Reference
Lincoln highway published 1914 https://www.loc.gov/item/14013478/
PBS Wyoming https://www.youtube.com/watch?v=SIW2-bH84u4