Vehicle restrictions in effect for I-78, Turnpike Northeast Extension due to winter weather Updated Feb 13, 2021; Posted Feb 13, 2021 A snow plow clears the way for evening rush hour traffic heading west on Route 22 just outside Bethlehem as a winter storm delivers snow on Wednesday, Dec. 16, 2020.Steve Novak file photo | For lehighvalleylive.com Facebook Share This weekend’s forecast for winter weather has led to vehicle restrictions on highways in and around the Lehigh Valley, the Pennsylvania Department of Transportation announced. Restrictions went into effect at 12:15 p.m. Saturday on highways including the entire length of both Interstate 78 and the Pennsylvania Turnpike Northeast Extension (I-476).