Explore Railroad agency recommends Norfolk Southern improve its safety culture Other trains, including Virginia Railway Express Manassas Line trains, were also canceled Monday because of the Norfolk Southern system outage. Norfolk Southern said late Monday evening it was bringing its rail network back online after restoring systems from the "hardware-related technology outage" by 7 p.m., and was in contact with customers on updated timing for their shipments. "We expect the impact to our operations to last at least a couple of weeks," according to Norfolk Southern, which is investigating the root cause of the issues. "At this time, we have no indication that this was a cybersecurity incident," Norfolk Southern said in a written statement.