Metro Track Circuits: How They Work And What Happens When They Don't | WAMU 88.5 - American University Radio

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Metro Track Circuits: How They Work And What Happens When They Don't

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Metro is embarking on a $60 million project to replace thousands of its faulty track circuits. Last year's deadly train crash on the Red Line was partially caused by these circuits malfunctioning.

Transportaton reporter David Schultz sat down with the hosts of WAMU's Metro Connection, Rob Sachs and Rebecca Sheir, to explain how these circuits work and what happens when they don't work.

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