- A4155 between A4 and A329, Reading (Grid ref SU710730)
- A4155 between A329N and A4074, Reading (Grid ref SU711744)
- A4155 between A4074 and Reading boundary, Reading (Grid ref SU720751)
- A4155 between Oxfordshire boundary and B478, Oxfordshire (Grid ref SU741760)
- A4155 between A4130 and Oxfordshire boundary, Oxfordshire (Grid ref SU762838)
- A4155 between Mill Lane and A4130, Oxfordshire (Grid ref SU763820)
- A4155 between B478 and Mill Lane, Henley, Oxfordshire (Grid ref SU768804)
- A4155 between Buckinghamshire boundary and Pound Lane, Marlow, Buckinghamshire (Grid ref SU800847)
- A4155 between Pound Lane and B482, Buckinghamshire (Grid ref SU845863)
- A4155 between B482 and A404, Buckinghamshire (Grid ref SU850868)
- A4155 between A404 and A4094, Buckinghamshire (Grid ref SU880883)
- A4155 between A4155 Station Rd and A4094, Buckinghamshire (Grid ref SU896874)