This American auto trail retraces part of the 1920s Custer Battlefield Highway auto trail, which later became U.S. Highway 14. … Continue reading American Auto Trail-Custer Battlefield Highway (Government Valley WY to Spearfish SD)
This American auto trail follows U.S. Highway 85 through the Black Hills of South Dakota before crossing into Wyoming. The … Continue reading American Auto Trail-Black & Yellow Trail (Lead SD to Four Corners WY)
This American auto trail explores the route of the Sunshine Highway auto trail from Wolsey to Redfield, South Dakota. For … Continue reading American Auto Trail-Sunshine Highway (Wolsey to Redfield SD)
This auto trail begins along the former route of the Chicago, Milwaukee & St. Paul Railroad (The Milwaukee Road). The … Continue reading American Auto Trail-Chicago, Milwaukee & St. Paul Railroad (Armour to Plankinton SD)
This auto trail explores U.S. Highway 18, crisscrossing sections the tracks of what was once the Chicago, Milwaukee & St. … Continue reading American Auto Trail-Chicago, Milwaukee & St. Paul Railroad (Menno to Armour SD)
Historic Highway Guides 