| skos:altLabel | - 1
- route 1
- main highway
- Highway One
- National Route
- 1A
- National Highway 4
- National Route 1
- Route 1
- Highway 1
- Highway 1A
- National Road 1
- NH4
- National Highway 1
- Route 1A
- Route One
- National Highway 1A
- QL 1
- QL.1A
- Road No. 1
- Route 1 (QL1)
- Vietnam Highway 1
- national roads of No. 1
- the north–south highway
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