List of highways numbered 1A

Canada

• Alberta Highway 1A
• British Columbia Highway 1A
• Manitoba Highway 1A
• Route 1A

  Germany

• Bundesstraße 1a, a German road

  India

New Zealand

• New Zealand State Highway 1A

  United States

• U.S. Route 1A
• Delaware Route 1A
• Massachusetts Route 1A
• New Hampshire Route 1A
• New York State Route 1A
• Rhode Island Route 1A
• Secondary State Highway 1A

  Vietnam

• National road 1A, a road connecting the northernmost and southernmost areas of the country