List of highways numbered S1

China

• S1 Expressway
• S1 Expressway
• S1 Expressway
• S1 Expressway
• S1 Expressway
• S1 Expressway
• S1 Expressway
• S1 Expressway
• S1 Expressway

  Georgia

• S1 Highway

  Poland

• Expressway S1

  United States

• New Jersey Route S1