B4018 (South Wales)
|To:||Cwm Ynys-Mintan (SN973056)|
|Distance:||1.2 miles (1.9 km)|
|Route outline (key)|
The B4018 was allocated to the former A465 east of Hirwaun when the Heads of the Valleys Road opened in 1965.
Starting on the A4059 Brecon Road the B4018 headed east along the High Street before zigzagging to cross the Cynon. It continued through the suburbs along Swansea Road. After bearing left to go over a railway line the road ended by rejoining the A465.
Today, the road is unclassified and the A4059 also bypasses the town.