Iowa Highway 182
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| Route information | ||||
| Maintained by Iowa DOT | ||||
| Length: | 9.051 mi (14.566 km) | |||
| Existed: | January 1, 1969 – present | |||
| History: | 1930–1968: known as Iowa 26 | |||
| Major junctions | ||||
| South end: |
  US 18 / CR A42 at Inwood
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| North end: |
 Iowa 9 near Larchwood
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| Location | ||||
| Counties: | Lyon | |||
| Highway system | ||||
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Iowa Highway 182 (Iowa 182) is a 9-mile-long (14 km) state highway in the northwestern corner of Iowa. It begins at U.S. Route 18 (US 18) in Inwood and ends at Iowa 9 southeast of Larchwood. The highway has been in the primary highway system since 1930, when it was known as Iowa 26. On January 1, 1969, Iowa 26 and Iowa 182 swapped designations.
Iowa Highway 182 begins at an intersection with US 18 and County Road A42 (CR A42). At the intersection, eastbound US 18 approaches from the west, eastbound US 18 approaches from the south, and CR A42 approaches from the east. Iowa 182 travels north through Inwood for one mile (1.6 km) and continues due north through the farmland of Lyon County for eight miles (13 km) to an intersection with Iowa Highway 9. The intersection with Iowa 9 is very similar to the intersection with US 18; eastbound Iowa 9 approaches from the north and westbound Iowa 9 approaches from the east.
Between 1930 and 1968, the highway now known as Iowa 182 was called Iowa 26. This was the second instance of Iowa 26. The first was designated in 1920 with the rest of the primary highway system. It was originally a spur route from Primary Road No. 19 (now US 18) to Rock Valley. Iowa 26 was extended north from Rock Valley back to US 18 in 1929.
In 1930, US 18 was rerouted in Lyon and Sioux counties. The new routing of US 18 went through Rock Valley, thus eliminating the need for Iowa 26, which had connected Rock Valley to US 18. The Iowa 26 designation was moved northwest. It replaced County Road S, which followed the same course Iowa 182 now follows.
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