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All The Non-Passenger Trains in the NYC Subway

TLDR

Beyond passenger services, the NYC subway system relies on a variety of specialized non-passenger trains for essential maintenance, repair, cleaning, and historical operations to ensure its continuous and safe function.

Takeways

Specialized trains maintain NYC subway infrastructure, from track inspection to debris removal.

Non-passenger trains address critical issues like flooding, snow, and track damage.

The VacTrack significantly reduced fire and debris-related delays by half since 2018.

The New York City subway system operates numerous non-passenger trains critical for its upkeep, performing tasks like track maintenance, flood control, snow removal, and waste management. These specialized trains, though rarely seen by the public, are vital for identifying and fixing infrastructure issues, handling environmental challenges, and maintaining the tracks and tunnels. Their advanced capabilities significantly reduce delays and improve overall system efficiency.

Track Maintenance Trains

00:00:50 The MTA employs several non-passenger trains for rail maintenance, including the Track Geometry Car (TGC), which continuously surveys tracks for deformities, misalignments, and cracks using cameras, ultrasonic units, and thermal imaging. This data informs analysts who dispatch other specialized trains, such as rail grinders, ballast regulators, and crane cars, to repair identified issues. These automated inspections provide higher accuracy and cover more ground than manual human inspections, operating during weekday non-rush hours to ensure track integrity.

Weather Management Trains

00:03:08 The subway system faces significant weather-related challenges, particularly flooding in its underground sections and snow above ground. A six-car pump train can remove 1,500 gallons of rainwater per minute during floods, storing it onboard before disposal. For snow, a 'battalion' of trains, including snow throwers, jet-engine snow blowers, de-icers, and rotary brushes, clears rails and lines, ensuring continued operation during winter conditions.

Material Transport & Cleaning

00:03:49 Materials Transport Cars, which are large flatbeds, are among the most frequently seen non-passenger trains, carrying construction materials and trash from station cans overnight. The VacTrack, a powerful vacuum cleaner train introduced in 2018, is crucial for removing debris from tracks to prevent fires, signal failures, and drainage blockages, which significantly reduced debris and fire-related delays by half within its first few months of service.

The Retired Money Car

00:04:11 From 1951 to 2006, the NYC subway system utilized armored 'money cars' to transport cash and coins collected from ticket machines across approximately 25 to 40 stations nightly. These trains, often consisting of two cars (one for money, one for 12 armed MTA agents), would collect revenue and deliver it to a central money room. This system was phased out in 2006, replaced by armored cars on roads and eventually by the MetroCard system.

The Essential VacTrack

00:04:50 The VacTrack is a vital vacuum cleaner train designed to keep subway tracks clear of debris, which can cause significant problems like fires, signal failures, and water buildup. Operating at 5-10 mph, this 600-horsepower train uses large suction hoods to collect up to 14 cubic yards of trash into a filter car, drastically improving track safety and efficiency. Since its introduction in 2018, it has become a highly effective tool, reducing delays and enhancing operational reliability, and is also used in other major cities like Paris, London, and Brussels.