- A465 between B42776 Merthyr Road and Swansea Rd, Merthyr Tydfil (Grid ref SO010073)
- A465 between A4059 and B4276 Merthyr Rd, Rhondda, Cynon, Taff (Grid ref SO000070)
- A465 between Swansea Rd and A470, Merthyr Tydfil (Grid ref SO022074)
- U, Winch Fawr Road, Merthyr Tydfil (Grid ref SO022065)
- A470 between A465 and Merthyr Tydfil boundary, Merthyr Tydfil (Grid ref SO024082)
- A470 between Rhondda, Cynon, Taff boundary and Rhondda, Cynon, Taff boundary, Rhondda, Cynon, Taff (Grid ref SO022086)
- A465 between A470 and A4054, Merthyr Tydfil (Grid ref SO028079)
- U, Tai Mawr Road, Merthyr Tydfil (Grid ref SO029076)
- A4054 between A465 and A470, Merthyr Tydfil (Grid ref SO027084)
- A470 between Merthyr Tydfil boundary and A4054, Merthyr Tydfil (Grid ref SO022089)
- A470 between A4102 N and A465, Merthyr Tydfil (Grid ref SO033073)
- A4054 between A4102 W and A465, Merthyr Tydfil (Grid ref SO034078)
- A470 between A4054 and Merthyr Tydfil boundary, Merthyr Tydfil (Grid ref SO020099)
- U, Cwmynysmintan Road, Rhondda, Cynon, Taff (Grid ref SN986055)
- A4102 between A470(T) and A4054, Merthyr Tydfil (Grid ref SO040067)
- A470 between A4102 and A4102 Swansea Rd, Merthyr Tydfil (Grid ref SO041060)
- A4102, Park, Merthyr Tydfil (Grid ref SO045065)
- A4059 between A4233 and A465(T), Rhondda, Cynon, Taff (Grid ref SN996038)
- A4054, Park, Merthyr Tydfil (Grid ref SO046063)
- A4054, Cyfarthfa, Merthyr Tydfil (Grid ref SO046061)