First South Yorkshire runs 155 routes.
- 10A bus in Rotherham
- 10 bus in Rotherham
- 10 bus in Rotherham
- 11A bus in Rotherham
- 11A bus in Sheffield
- 11 bus in Rotherham
- 11 bus in Sheffield
- 120 bus in Sheffield
- 12 bus in Rotherham
- 12 bus in Sheffield
- 13 bus in Doncaster
- 13 bus in Rotherham
- 14 bus between Edlington and Doncaster
- 14 bus in Rotherham
- 14 bus in Sheffield
- 15 bus between Edlington and Doncaster
- 15 bus in Rotherham
- 16 bus in Doncaster
- 17A bus in Sheffield
- 17 bus between Sheffield and Meadowhead