A crash has closed all lanes of traffic on Interstate-471 northbound on Friday night.According to Campbell County Dispatch, the crash happened at 6:15 p.m., near the Memorial Parkway exit in Newport. Traffic going toward the Big Mac Bridge is stopped.Dispatch said multiple cars were involved in the crash but did not have an update on injuries or how it happened.At this time, there is no timetable on when the highway could be reopened. Police are at the scene of the crash.