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A Look at the NYC Subway's Archaic Signal System
New York City's subway system continues to operate largely on analog signal technology installed nearly a century ago, with 85% of the network still relying on mechanical equipment that requires constant human intervention. The outdated system causes approximately 4,000 train delays monthly and repr...
New York City's subway system continues to operate largely on analog signal technology installed nearly a century ago, with 85% of the network still relying on mechanical equipment that requires constant human intervention. The outdated system causes approximately 4,000 train delays monthly and represents a technological time capsule in America's largest mass transit system.Deep inside Brooklyn's Hoyt-Schermerhorn station, transit worker Dyanesha Pryor operates a hulking machine the size of a grand piano by manipulating 24 metal levers that control nearby trains. However, the $25 million per-mile upgrade program faces uncertain funding after the Trump administration threatened to kill New York's congestion pricing plan, which would provide $3 billion for signal modernization.
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