The six-lane, $6.4 billion span gives truckers hauling billions in auto parts a cheaper crossing as Detroit remains the busiest US-Canada truck port.

Canada on Friday celebrated the completion of a new bridge to the US over the Detroit River, cutting a ceremonial ribbon on a multibillion-dollar, multiyear pro

Traffic is set to start flowing across a new bridge over the Detroit River that will serve as a critical route for trade, jobs and tourism between Canada and the U.S.