U.S. Route 275 (US 275) is a north–south United States highway that is a branch of US 75. It originally terminated at US 75 in Council Bluffs, Iowa. The highway's northern terminus is in O'Neill, Nebraska, at an intersection with U.S. Highway 20 and U.S. Highway 281. Its southern terminus is near Rock Port, Missouri, at an intersection with U.S. Highway 136. Route description U.S. 275 is signed north–south in Missouri and Iowa, while in Nebraska, it is signed east–west. Missouri U.S. Route 275 begins at an intersection with U.S. Route 136 west of Rock Port. It travels to the north and to the northwest through Atchison County for . Iowa U.S. Route 275 crosses into Iowa south of Hamburg. It enters Hamburg and intersects Iowa Highway 333 (Iowa 333), which connects to Interstate 29 (I-29) to the west. North of Hamburg, it intersects Iowa 2, and the two routes share of road. US 275 and Iowa 2 then bypass Sidney on its east side, and east of Sidney, US 275 and Iowa 2 separate. From east of Sidney, US 275 continues north for through Tabor until it intersects U.S. Route 34 east of Glenwood. US 275 and US 34 then overlap for , mostly bypassing Glenwood. West of Glenwood, US 34 and US 275 split at an interchange with I-29; US 34 follows southbound I-29, while US 275 follows northbound I-29. For , US 275 overlaps I-29, ending at an interchange with Iowa 92 in southern Council Bluffs. Turning west, US 275 / Iowa 92 travel together for in Iowa and cross the new South Omaha Veterans Memorial Bridge over the Missouri River. Nebraska US 275 enters Nebraska in Omaha in the South Omaha neighborhood paired with Nebraska Highway 92. It goes through Omaha as a four-lane highway until meeting Nebraska Highway 31. The street designations for US 275 in Omaha are, from east to west, Missouri Avenue, L Street, Industrial Road and West Center Road. It crosses the Elkhorn River, which it will follow for most of the rest of the route, then separates from NE 92. It goes northwest and becomes freeway until Fremont. It meets U.S. Route 30 and they are paired together around Fremont until meeting U.S. Route 77. US 275 turns north with US 77, meets Nebraska Highway 91 and separates from US 77 near Winslow. It turns northwest with NE 91 and they