Iowa Highway 32
| Northwest Arterial | ||||
Iowa 32 highlighted in red | ||||
| Route information | ||||
| Maintained by Iowa DOT | ||||
| Length | 5.101 mi (8.209 km) | |||
| Existed | 1995–2020 | |||
| Major junctions | ||||
| South end | US 20 in Dubuque | |||
| North end | US 52 / Iowa 3 in Sageville | |||
| Location | ||||
| Country | United States | |||
| State | Iowa | |||
| Counties | Dubuque | |||
| Highway system | ||||
| ||||
Iowa Highway 32 (Iowa 32), also known as the Northwest Arterial, was a state highway that ran through the northwest quadrant of Dubuque. At just over 5 miles (8.0 km) long, it was among the shortest state highways in the state. The highway began at U.S. Highway 20 in Dubuque and ended at US 52 / Iowa 3 in Sageville. With the exception of a small portion at the northern end, the entire highway was within the Dubuque city limits.