For border businesses and truckers, nothing has been more eagerly anticipated than the opening of the new bridge linking Windsor and Detroit.

Yet last Friday, they saw their long-awaited hopes dashed again following an earlier delay last fall. The gleaming Gordie Howe International Bridge — built and paid for by Canada to speed the flow of trade between the two countries — was ready for traffic. But its opening was postponed at the request of the Trump administration, giving both sides more time to resolve “outstanding issues,” according to Prime Minister Mark Carney.