List of highways numbered S1
The following highways are numbered S1
China
- S1 Expressway (Guangdong)
- S1 Expressway (Henan)
- S1 Expressway (Hubei)
- S1 Expressway (Shandong)
- S1 Expressway (Shanghai)
- S1 Expressway (Sichuan)
- S1 Expressway (Tianjin)
- S1 Expressway (Tibet)
- S1 Expressway (Zhejiang)
Georgia
Poland
United States
- New Jersey Route S1 (former)