All The Non-Passenger Trains in the NYC Subway

Quick Overview

The New York City subway utilizes various specialized non-passenger trains, including the VakTrak, which functions as a massive vacuum cleaner to remove debris from the tracks, significantly reducing delays caused by trash, smoke, and fire.

Key Points: The NYC subway employs specialized 'VakTrak' trains that act as massive vacuum cleaners to remove debris from tracks, thereby reducing delays. These VakTrak trains, costing approximately $23 million for three units, began service in 2018 and have reduced delays caused by debris, smoke, and fire by more than half. Debris on the tracks can cause water buildup, damage track circuits, lead to signal failures, and is the biggest cause of track fires. The VakTrak vacuums up to 14 cubic yards of debris, equivalent to three-quarters of a Toyota Camry, in a single pass. The system also utilizes other specialized trains like the TGC4 for track geometry maintenance and the "pump train" for clearing flooded tunnels. The subway system has faced challenges with flooding, as demonstrated by the aftermath of Hurricane Sandy, and also contends with snow during winter months. The MTA phased out older, less efficient models in favor of new trains that require fewer runs to clear trash.

Context: This video explores the specialized maintenance and support trains that operate within the New York City subway system, beyond the passenger trains people use daily. It highlights the challenges faced by the MTA, such as debris accumulation, flooding, and snow, and showcases the innovative solutions developed to address these issues, including the unique VakTrak vacuum trains.

Detailed Analysis

The New York City subway system utilizes a variety of specialized trains to maintain its extensive infrastructure. The video introduces the VakTrak, a massive vacuum cleaner train that efficiently removes debris from the tracks, significantly reducing delays. This initiative, costing the MTA $23 million for three units, began in 2018 and has already proven effective, cutting delays caused by debris, smoke, and fire by over 50%. Debris is identified as a primary cause of track fires and signal failures due to water buildup. Each VakTrak can clear approximately 14 cubic yards of trash in a single pass. The video also touches upon other crucial maintenance trains, such as the TGC4 for track geometry work and the "pump train" used to clear flooded tunnels, a problem exacerbated by events like Hurricane Sandy. The MTA is also phasing out older, less efficient trash-clearing models in favor of newer designs that require fewer runs. Beyond trash, the system must also contend with weather challenges like snow, employing specialized equipment such as snow blowers and de-icing machines. The video also briefly mentions the historical 'money trains' that transported cash from ticket machines, which were armored passenger cars used from 1951 to 2006.