List of highways numbered 18A

The following highways are numbered 18A:

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

This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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