Dictionary
Words, grammatical forms and meanings linked to the ontology.
Heads of the Valleys Road en · PROPN
Meanings
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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 14, D. S. Barrie, “From Abergavenny to Merthyr—2”, in Railway Magazine, page 345: