- A4059 between C road (Penderyn) and Rhondda, Cynon, Taff boundary, Rhondda, Cynon, Taff (Grid ref SN950112)
- A4059 between A465 and C-road west of Chapel Rd, Penderyn, Rhondda, Cynon, Taff (Grid ref SN951080)
- A4059 between Powys boundary and A470, Powys (Grid ref SN988181)
- A4059 between A4233 and A465(T), Rhondda, Cynon, Taff (Grid ref SN996038)
- A4059 between B4275 Cardiff Rd and A4233, Rhondda, Cynon, Taff (Grid ref SO004027)
- A4059 between B4275 Aberaman and B4275 Cardiff Rd, Rhondda, Cynon, Taff (Grid ref SO010020)
- A4059 between B4275, Aberaman and Canal Rd, Cwmbach, Rhondda, Cynon, Taff (Grid ref SO022011)
- A4059 between B4275, Mountain Ash and Canal Rd, Cwmbach, Rhondda, Cynon, Taff (Grid ref SO034000)
- A4059 between A470 and A4275, Rhondda, Cynon, Taff (Grid ref ST050991)