Iowa Highway 110 (Iowa 110) is a north–south state highway in northwestern Iowa. It is 15 miles (24 km) long. Iowa 110 begins at U.S. Highway 20 (US 20) south of Schaller and ends in Storm Lake at Iowa Highway 7.

Quick Facts Route information, Length ...

Iowa Highway 110
Iowa 110 highlighted in red
Route information
Maintained by Iowa DOT
Length	14.789 mi[1] (23.801 km)
Existed	1934–present
Major junctions
South end	US 20 south of Schaller
North end	Iowa 7 in Storm Lake
Location
Country	United States
State	Iowa
Counties	Sac Buena Vista
Highway system
Iowa Primary Highway System Interstate US State Secondary Scenic
← Iowa 107 → Iowa 116

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Iowa Highway 110 begins at U.S. Highway 20 2 miles (3.2 km) south of Schaller. It heads north through Schaller and through northwest Sac County, crossing into Buena Vista County near mile marker 6.^[1] Three miles into Buena Vista County, Iowa 110 turns to the east at Buena Vista County Road C65 (CR C65). For 2+1⁄2 miles (4.0 km), the route heads east, turning to the north again near the southwestern shore of Storm Lake. It continues north past the western shore for 2 miles (3.2 km) and negotiates an S-curve around the northwestern shore and into the city of Storm Lake. The highway ends at Iowa Highway 7 on the extreme western side of the city.^[2]

Iowa Highway 110 was designated in 1934 on an old segment of Primary Road No. 4. Through the city of Storm Lake, the route followed the northern shore of Storm Lake; it ended at U.S. Highway 71 in the downtown area. By 1952, only the segment from U.S. Highway 20 to Schaller was paved.^[3] By 1956, the entire route was paved.^[4] By 1970, Iowa 110 was rerouted away from the downtown area to its current western end.^[5]