- A177 between A167 and Hollingside Lane, Durham (Grid ref NZ265400)
- A177 between Hollingside Lane and Church Head St, Durham (Grid ref NZ274415)
- A177 between Church Head St and Hallgarth St roundabout, Durham (Grid ref NZ277416)
- A177 between B1198 and Hallgarth st roundabout, Durham (Grid ref NZ280415)
- A177 between A1(M) and A1, Durham (Grid ref NZ300393)
- A177 between A689 and A688, Durham (Grid ref NZ350295)
- A177 between Durham boundary and A689, Durham (Grid ref NZ365280)
- A177 between B1274 Junction Rd and Stockton-on-Tees boundary, Stockton-on-Tees (Grid ref NZ399238)
- A177 between A1027 and B1274 Junction Rd, Stockton-on-Tees (Grid ref NZ425213)
- A177 between A1305 and A1027, Stockton-on-Tees (Grid ref NZ440205)