U.S. Federal Route 275 runs north-south in Fremont County. It runs east of Interstate 29. This goes from the Iowa/Missouri State Line, south of Hamburg, to the Fremont/Mills County Line, in Tabor. U.S. Rt. 275 passes through the following towns in Fremont County. Hamburg Sidney
Tabor
U.S. Rt. 275 is multi-plexed in Fremont County. Iowa State Route 2, from near Riverton to Sidney.
U.S. Rt. 275 intersects the following highways in Fremont County. Iowa State Route 333, at Hamburg. Iowa State Route 2, near Riverton. Iowa State Route 2, at Sidney.
A junction marker on WB IA St Rt 2. A junction marker in Sidney. NB U.S. Rt. 275 north of Sidney. NB U.S. Rt. 275 near Anderson. NB U.S. Rt. 275 south of Tabor. NB U.S. Rt. 275 in Tabor. NB U.S. Rt. 275 south of the Fremont/Mills County Line.