List of highways numbered 3A

The following roads are numbered 3A:

Canada

• Alberta Highway 3A
• British Columbia Highway 3A
• Manitoba Highway 3A
• Newfoundland and Labrador Route 3A (Team Gushue Highway)
• Nova Scotia Trunk 3A (former)

United States

• Massachusetts Route 3A
• Nevada State Route 3A (former)
• New Hampshire Route 3A
• New York State Route 3A
• Oklahoma State Highway 3A
• Texas Park Road 3A

• Guam Highway 3A