
Signal school
Clip: Season 29 Episode 11 | 2m 6s
MBTA’s Signal Shop, where workers maintain the equipment that keeps the trains on track.
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.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback
Corporate sponsorship for American Experience is provided by Liberty Mutual Insurance and Carlisle Companies. Major funding by the Alfred P. Sloan Foundation.

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.
Problems playing video? | Closed Captioning Feedback
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Corporate sponsorship for American Experience is provided by Liberty Mutual Insurance and Carlisle Companies. Major funding by the Alfred P. Sloan Foundation.






















