- A4054 between Commercial Terrace, Treharris and B4285 Bridge St, Troedyrhiw, Merthyr Tydfil (Grid ref SO076000)
- A4054 between Merthyr Tydfil boundary and A472, Merthyr Tydfil (Grid ref ST092954)
- A4054 between A4060 and A4102, Merthyr Tydfil (Grid ref SO054050)
- A4054 between B4285 Bridge St, Troedyrhiw and A4060, Merthyr Tydfil (Grid ref SO067031)
- A4054 between A472 and Commercial Terrace, Treharris, Merthyr Tydfil (Grid ref ST096965)
- A4054 between A465 and A470, Merthyr Tydfil (Grid ref SO027084)
- A4054 between A4102 W and A465, Merthyr Tydfil (Grid ref SO034078)
- A4054 between A4102 (S) and A4102 (N), Merthyr Tydfil (Grid ref SO049056)
- A4054, Town, Merthyr Tydfil (Grid ref SO047060)
- A4054, Cyfarthfa, Merthyr Tydfil (Grid ref SO046061)
- A4054, Park, Merthyr Tydfil (Grid ref SO046063)
- A4060 between A4102 and A465, Merthyr Tydfil (Grid ref SO066072)
- A4060 between A4054 and A4102, Merthyr Tydfil (Grid ref SO059050)
- A4060 between A470(T) and A4054, Merthyr Tydfil (Grid ref SO062033)
- A4102 between A470(T) and A4054, Merthyr Tydfil (Grid ref SO040067)
- A4102 between A4102 and A4102, Merthyr Tydfil (Grid ref SO049065)
- A4102 between A4102 and road to Baden Terrace, Merthyr Tydfil (Grid ref SO051067)
- A4102 between road to Baden Terrace, Merthyr Tydfil and A4060 Twynrodyn, Merthyr Tydfil (Grid ref SO062063)
- A4102 between A470(T) and A4054, Merthyr Tydfil (Grid ref SO049055)
- A4102, Park, Merthyr Tydfil (Grid ref SO045065)
- A4102 between A4102 and High Streets, Merthyr Tydfil (Grid ref SO049065)
- A465 between B42776 Merthyr Road and Swansea Rd, Merthyr Tydfil (Grid ref SO010073)
- A465 between A4054 and A4060, Merthyr Tydfil (Grid ref SO050086)
- A465 between Swansea Rd and A470, Merthyr Tydfil (Grid ref SO022074)
- A465 between A4060 and Merthyr Tydfil boundary, Merthyr Tydfil (Grid ref SO080084)
- A465 between A470 and A4054, Merthyr Tydfil (Grid ref SO028079)
- A470 between A4054 and Merthyr Tydfil boundary, Merthyr Tydfil (Grid ref SO020099)
- A470 between Pentrebach and A4102S, Merthyr Tydfil (Grid ref SO051040)
- A470 between Merthyr Tydfil boundary and A4054, Merthyr Tydfil (Grid ref SO022089)
- A470 between Merthyr Tydfil boundary and A4060, Merthyr Tydfil (Grid ref ST077980)
- A470 between A465 and Merthyr Tydfil boundary, Merthyr Tydfil (Grid ref SO024082)
- A470 between A4102 N and A465, Merthyr Tydfil (Grid ref SO033073)
- A470 between A4102 and A4102 Swansea Rd, Merthyr Tydfil (Grid ref SO041060)
- A472 between A4054 and Merthyr Tydfil boundary, Merthyr Tydfil (Grid ref ST096955)
- A472 between Merthyr Tydfil boundary and A4054, Merthyr Tydfil (Grid ref ST093956)
- B4285, Aberfan Road, Merthyr Tydfil (Grid ref SO072012)
- B4285, Nixonville, Merthyr Tydfil (Grid ref ST073998)
- C, The Grove, Merthyr Tydfil (Grid ref SO050070)
- C, Penheolferthyr, Merthyr Tydfil (Grid ref SO060060)
- C, Merthyr Tydfil (Grid ref SO051089)
- U, Winch Fawr Road, Merthyr Tydfil (Grid ref SO022065)
- U, Pant Road, Merthyr Tydfil (Grid ref SO066088)
- U, Pleasant View, Merthyr Tydfil (Grid ref SO095015)
- U, Pentwyn Road, Merthyr Tydfil (Grid ref ST100962)
- U, Tai Mawr Road, Merthyr Tydfil (Grid ref SO029076)
- U, Oak Road, Merthyr Tydfil (Grid ref SO048074)