NJ Transit rail passengers heading into or out of Penn Station New York faced delays of up to an hour Monday morning. Following an earlier suspension, Northeast Corridor and North Jersey Coast Line rail service have resumed with limited service.

NJ Transit officials said one of the agency’s trains was involved in an Amtrak wire issue that caused rail service to be suspended Monday morning and resulted in delays and canceled trains into the evening commuter rush.

NJ Transit and Amtrak are returning to normal service after a day of delays, cancellations, and reroutes between Pennsylvania, New Jersey, and New York. The service disruptions on Monday were caused by downed overhead wires near Newark,