List of highways numbered 100A
The following highways are numbered 100A:
United States
- County Road 100A (Bradford County, Florida)
- County Road 100A (Columbia County, Florida)
- County Road 100A (Union County, Florida)
- Maine State Route 100A
- New York State Route 100A
- Vermont Route 100A
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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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