| Kentucky Route 3521 | ||||
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| Andrew Jackson Highway | ||||
| Route information | ||||
| Maintained by KYTC | ||||
| Length: | 1.255 mi (2.020 km) | |||
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| Location | ||||
| Counties: | Allen | |||
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Kentucky Route 3521 (KY 3521) is a 1.255 miles (2.020 km) long state highway located entirely in Allen County in south-central Kentucky. It originates at the Tennessee state line at Tennessee State Route 174's northern terminus, and ends at a junction with Kentucky Route 482 in Adolphus, Kentucky. KY 482 connects this roadway to US 231/US 31E in southern Allen County.