According to the Port Authority of New York / New Jersey website there has been a labor walk off as of 11AM Friday.
1/29/2016 11:14:41 AM Due to the current work stoppage in the port, no new trucks will be allowed to queue on port roadways. Do not send trucks the Port at this time. 1/29/2016 10:53:12 AM There is an apparent labor walk off at all PONYNJ terminals. No truck operations at this time. All efforts to resume activity will be undertaken.