Meanings
- The A465 trunk road in Wales, so-called for at least part of its length as it crosses the tops of the South Wales Valleys.
Launched now on the long descent to Merthyr, initially at 1 in 38-40, the train skirts the town of Dowlais to the east and north, High Street Station standing high above the main Heads of the Valleys road.
1957 May 28, D. S. Barrie, “From Abergavenny to Merthyr—2”, in Railway Magazine, page 345
Cite this entry
Heads of the Valleys Road. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Heads%20of%20the%20Valleys%20Road
“Heads of the Valleys Road.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Heads%20of%20the%20Valleys%20Road. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “Heads of the Valleys Road,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Heads%20of%20the%20Valleys%20Road.
Source: Heads of the Valleys Road on Wiktionary, CC BY-SA 4.0.