| skos:altLabel | - 81
- U.S. 81
- U.S. Highway 81
- US 81
- US Highway 81
- US 81
- US-81
- Meridian Highway
- U.S. 77
- :U.S. Route 81
- Byp. US 81
- U.S. Route 81#Kansas
- U.S. Route 81#Nebraska
- U.S. Route 81#North Dakota
- U.S. Route 81#South Dakota
- U.S._Route_81
- US 81 Business
- US Route 81
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