List of highways numbered 20A explained

The following highways are numbered 20A:

New Zealand

• New Zealand State Highway 20A

United States

• U.S. Route 20A (New York)
  • U.S. Route 20A (Ohio)
• County Road 20A (Putnam County, Florida)
• Massachusetts Route 20A
• Nebraska Highway 20A (former)
  • Nebraska Link 20A
• New York State Route 20A (1930–1932) (former)
  • New York State Route 20A (1938–1939) (former)