Rail Crew Cuts Fiber Optic Cable, Grounding NYC Flights

By the Editorial Team · Tuesday, September 22, 2026

A construction crew in New Brunswick, New Jersey accidentally severed a critical fiber optic cable connecting air traffic control centers for the New York City metropolitan area, causing widespread flight disruptions and ground stops for much of Monday. The outage exposed vulnerabilities in the region’s air traffic communication infrastructure, prompting calls from officials for increased investment to modernize and improve system resilience.

Air travel in the New York City metropolitan area experienced significant disruptions on Monday after a construction crew severed a fiber optic cable critical to regional air traffic control communications. The incident occurred at approximately 9:45 a.m. near the Northeast Corridor rail line in New Brunswick, New Jersey, according to NJ Transit.

Contractors working on a rail car storage project accidentally cut the fiber optic line, which linked the air traffic control centers serving the New York metro area and Philadelphia, the latter responsible for managing northern New Jersey’s airspace. The cable served as a backup to a primary communication circuit that had already failed, intensifying the impact on air traffic operations.

A spokesperson for NJ Transit clarified that the crew was working about 10 feet away from marked utility lines, indicating the damage occurred in an area thought to be safe for digging. Initial reports mistakenly identified the crew as Amtrak personnel; however, federal officials later referenced a statement from Transportation Secretary Sean Duffy attributing the cutoff to an Amtrak construction crew.

The severed fiber optic cable disrupted radar data sharing critical for coordinating flights handled by the two TRACON (terminal radar approach control) facilities. New York TRACON manages arrivals and departures at LaGuardia and Kennedy airports, while Philadelphia TRACON controls flights at Newark and Teterboro airports. The communication breach rendered the system inoperable, forcing the Federal Aviation Administration (FAA) to ground flights into and out of the region throughout most of the day.

Verizon, the owner of the damaged fiber optic line, confirmed the incident and stated that repair crews were promptly dispatched. The company emphasized that its facilities were fully functional prior to the accident and placed responsibility on the construction contractors. Verizon technicians worked alongside partners to restore connectivity, which was achieved by early evening.

Ground stops were lifted by 6:30 p.m., allowing flights to resume with varying delays. Secretary Duffy highlighted the incident as indicative of broader infrastructure challenges. In a social media post, he called for increased funding to modernize aging communication systems to prevent future disruptions.

This outage follows previous disruptions caused by the outdated copper-wire communication link that formerly connected the New York and Philadelphia TRACON centers. After a weeklong meltdown at Newark International Airport last year linked to communication delays on that older system, the fiber optic cable was installed to improve reliability. Monday’s events raise questions about the redundancy and resilience of the current infrastructure supporting one of the nation’s busiest airspace corridors.

This article was reported by synthesizing coverage from multiple independent news outlets to present a balanced, unbiased account. Read about our editorial standards. Spotted an error? Let us know.