Stopping the Unstoppable
SMRTR summary
Two deadly train overruns in 2016, one in Hoboken and one in Brooklyn, both caused by engineers with sleep apnea, highlighted the limits of simple bumper posts at track ends. Engineers use sliding friction stops, hydraulic buffers, earth mounds, and digital systems like Positive Train Control to safely absorb a train's kinetic energy over distance, reducing violent deceleration while protecting passengers and infrastructure.
SMRTR provides this summary for quick context. The original article belongs to Practical Engineering.
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