Iowa Highway 146
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| Route information | ||||
| Maintained by Iowa DOT | ||||
| Length: | 42.735 mi (68.775 km) | |||
| Existed: | ca. 1926 – present | |||
| Major junctions | ||||
| South end: |
  US 63 / Iowa 102 in New Sharon
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| North end: |
  US 30 / CR T37 in Le Grand
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Iowa Highway 146 is a state highway in central Iowa. It runs in a north–south orientation and is 43 miles (69 km) long. Iowa 146 begins at an intersection with U.S. Route 63 at New Sharon, and ends at a freeway interchange with U.S. Highway 30 at Le Grand. While the route Iowa 146 takes has remained the same since its creation, the highway has been extended at least twice because of realignments of U.S. Route 30 near Le Grand. The northernmost 2 miles (3.2 km) were once part of the Lincoln Highway.
Iowa Highway 146 beings in the city of New Sharon at the corner of Main Street and Market Street. U.S. Route 63 comes from the south along Main and turns east onto Market. Iowa Highway 102, existing only within New Sharon, but formerly extending to Pella, heads west on Market. Iowa 146 travels north on Main. Two miles (3.2 km) north of New Sharon, Iowa 146 crosses a Union Pacific Railroad line and into Poweshiek County shortly thereafter. Highway 146 heads north for 4 1⁄2 miles (7.2 km) before curving west towards Searsboro. At Searsboro, Iowa 146 crosses the UPRR line again and turns to the northwest at the eastern end of former Iowa Highway 225, which was turned over to Poweshiek County and Jasper County in 2003.
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