Map of US highway 75 and family
US 75 is represented by the purple line beginning in Noyes MN. Its current southern terminus is in Dallas TX; the red line south of there to Galveston is the historic extent of US 75. Also shown in red is US 75's historic Iowa routing along the east bank of the Missouri River.
US 175 is the blue line from Dallas to Jacksonville TX.
US 275 is the blue line beginning in O'Neill NE. Its current southern terminus is in Rock Port MO; the red line extending south of there to St. Joseph is the historic extent of US 275.
