List of highways numbered 18A
The following highways are numbered 18A:
Canada
United States
- County Road 18A (Union County, Florida)
- Nebraska Spur 18A
- Nevada State Route 18A (former)
- New York State Route 18A (former)
- County Route 18A (Otsego County, New York)
- County Route 18A (Washington County, New York)
- Oklahoma State Highway 18A
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This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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