CN Rail Strike News
Its now over, however Halifax was affected.

Canadian Ports Weathering CN Strike
Strike Hits Halifax Railcar Supply – Ship schedules not disrupted, but train delays hamper some port operations
Strike Delaying Trains at Halifax – daily train service was delayed by 16 hours on Nov. 29, the second day of the strike. In turn, that delayed some shipments until the evening of Nov. 30

Tracking boosts port business Software keeps containers from dwelling around. (and you can look them up online Here )