Lehane, Mackenzie and Shand
…Cardiff to Merthyr Tydfil A470, £5m first stage from Whitchurch bypass to Nantgarw, 3.25 miles (built as Christiani-Shand) completed in 1971 M56 Weaver Viaduct, (built as Christiani-Shand) completed in 1971 The foundations and piers for the Erskine Bridge, (A898), West Dunbartonshire and Renfrewshire, (built…