- A470 between Powys boundary and A4059, Powys (Grid ref SO000152)
- A4059 between Powys boundary and A470, Powys (Grid ref SN988181)
- A470 between A4059 and A4215, Powys (Grid ref SN986199)
- A470 between A4054 and Merthyr Tydfil boundary, Merthyr Tydfil (Grid ref SO020099)
- A4059 between C road (Penderyn) and Rhondda, Cynon, Taff boundary, Rhondda, Cynon, Taff (Grid ref SN950112)
- A470 between Merthyr Tydfil boundary and A4054, Merthyr Tydfil (Grid ref SO022089)
- A470 between Rhondda, Cynon, Taff boundary and Rhondda, Cynon, Taff boundary, Rhondda, Cynon, Taff (Grid ref SO022086)
- A4054 between A465 and A470, Merthyr Tydfil (Grid ref SO027084)
- A470 between A465 and Merthyr Tydfil boundary, Merthyr Tydfil (Grid ref SO024082)
- A465 between A470 and A4054, Merthyr Tydfil (Grid ref SO028079)
- A465 between B42776 Merthyr Road and Swansea Rd, Merthyr Tydfil (Grid ref SO010073)
- C, Merthyr Tydfil (Grid ref SO051089)
- A465 between Swansea Rd and A470, Merthyr Tydfil (Grid ref SO022074)
- U, Tai Mawr Road, Merthyr Tydfil (Grid ref SO029076)
- A4054 between A4102 W and A465, Merthyr Tydfil (Grid ref SO034078)
- A465 between A4054 and A4060, Merthyr Tydfil (Grid ref SO050086)
- A470 between A4102 N and A465, Merthyr Tydfil (Grid ref SO033073)
- A4059 between A465 and C-road west of Chapel Rd, Penderyn, Rhondda, Cynon, Taff (Grid ref SN951080)
- U, Pant Road, Merthyr Tydfil (Grid ref SO066088)
- U, Oak Road, Merthyr Tydfil (Grid ref SO048074)