An investigation into the possibility of building a bridge linking Scotland with Northern Ireland cost the taxpayer almost £900,000, the department for transport (DfT) has admitted.
Prime Minister Boris Johnson commissioned a study into the feasibility of connecting mainland UK with Northern Ireland, either by bridge or via a tunnel, writes Chris Tindall.
Network Rail chairman Sir Peter Hendy led the investigation, which found that a bridge would cost £335bn and a tunnel would come in at around £209bn.
Part of the problem was the existence of a million tonnes of unexploded munitions dumped in an underwater trench along the most direct route, between the First World War and the 1970s.
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