- A4054 between Commercial Terrace, Treharris and B4285 Bridge St, Troedyrhiw, Merthyr Tydfil (Grid ref SO076000)
- B4285, Nixonville, Merthyr Tydfil (Grid ref ST073998)
- B4285, Aberfan Road, Merthyr Tydfil (Grid ref SO072012)
- A470 between Merthyr Tydfil boundary and A4060, Merthyr Tydfil (Grid ref ST077980)
- U, Pleasant View, Merthyr Tydfil (Grid ref SO095015)
- A4059 between A470 and A4275, Rhondda, Cynon, Taff (Grid ref ST050991)
- B4275, Penrhiwceiber Road, Rhondda, Cynon, Taff (Grid ref ST054980)
- A4054 between B4285 Bridge St, Troedyrhiw and A4060, Merthyr Tydfil (Grid ref SO067031)
- U, Hawthorn Terrace, Rhondda, Cynon, Taff (Grid ref ST053976)
- U, N/a, Rhondda, Cynon, Taff (Grid ref ST042999)
- A4060 between A470(T) and A4054, Merthyr Tydfil (Grid ref SO062033)
- B4275, Aberdare Road, Rhondda, Cynon, Taff (Grid ref ST037994)
- A4054 between A472 and Commercial Terrace, Treharris, Merthyr Tydfil (Grid ref ST096965)
- A4059 between B4275, Mountain Ash and Canal Rd, Cwmbach, Rhondda, Cynon, Taff (Grid ref SO034000)
- A470 between A4059 and Rhondda, Cynon, Taff boundary, Rhondda, Cynon, Taff (Grid ref ST090958)
- U, Pentwyn Road, Merthyr Tydfil (Grid ref ST100962)
- A472 between A470 and Rhondda, Cynon, Taff boundary, Rhondda, Cynon, Taff (Grid ref ST092956)
- A472 between Merthyr Tydfil boundary and A4054, Merthyr Tydfil (Grid ref ST093956)
- A470 between Pentrebach and A4102S, Merthyr Tydfil (Grid ref SO051040)
- A4054 between Merthyr Tydfil boundary and A472, Merthyr Tydfil (Grid ref ST092954)