Jackknifed tractor-trailer shuts down U.S. 441 NB in Miami Gardens

A jackknifed tractor-trailer shut down northbound lanes of U.S. Route 441 Tuesday afternoon in Miami Gardens.The incident was reported shortly before 3:30 p.m. at Northwest 177th Street.Northbound traffic is being detoured to Northeast Sixth Avenue.It's unclear what caused the traffic accident.Watch Local 10 News or refresh this page for updates.Follow Local 10 News on Twitter @WPLGLocal10