It didn’t take many protesters to freeze a major North American economic artery.
The brief closure Tuesday of one bridge straddling the U.S. and Canada has exposed the power of rolling blockades, a supply-chain vulnerability and the grip one crossing has over the region.
A cluster of demonstrators protesting vaccine mandates and other COVID-19 restrictions on the Canadian side of the border blocked access Monday night to the Ambassador Bridge — a crucial, privately owned link between Detroit and Windsor, Ontario. Traffic was all but halted early Tuesday, before appearing to slowly resume later in the afternoon.