Members of the country's largest rail union on Monday rejected a proposed labor contract with freight railroads, resulting in a potential nationwide freight-rail strike amid the holiday season and Congress likely intervening to avert such the shutdown.
Two of the 12 unions involved voted Monday.
The other union, the nation's second-largest rail union, which represents engineers, ratified its own contract, according to CNN. But the deal alone will not avert a strike, which could begin as soon as Dec. 5, raising concerns about further disruptions of the U.S. supply chain and exacerbating already high inflation.