List of highways numbered 12A explained
The following highways are numbered 12A:
India
United States
- New England Interstate Route 12A (former)
- County Road 12A (Gadsden County, Florida)
- County Road 12A (Liberty County, Florida)
- Nebraska Spur 12A
- New Hampshire Route 12A
- County Route 12A (Monmouth County, New Jersey)
- New York State Route 12A
- County Route 12A (Chenango County, New York)
- Vermont Route 12A
- Secondary State Highway 12A (Washington) (former)
