American Experience

Signal school

Clip: Season 29 Episode 11 | 2m 6s

In this co-production with Retro Report, we visit the MBTA’s Signal Shop, where workers maintain the equipment that keeps the trains on track.

Aired: 01/31/17

Rating: NR

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Corporate sponsorship for American Experience is provided by Liberty Mutual Insurance and Consumer Cellular. Major funding by the Alfred P. Sloan Foundation.