Transport for Wales' Class 756 to serve new destinations from spring
Rail Magazine - Transport for Walesmp;#39; tri-mode trains will begin serving two more routes from spring.
The Class 756s have been in use on the Aberdare and Merthyr Tydfil lines since November but are soon to begin running along the Coryton and lower Rhymney lines (from Caerphilly to Cardiff Queen Street).