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The Boston Globe

Metro

T riders happier with countdown signs for next train

One day last summer, MIT students with clipboards asked hundreds of people waiting for the Red Line at South Station what they thought of the T. When they returned the next day and asked the same questions, they found customers had become happier overnight.

The stations were no cleaner, the trains no faster. What changed? The MBTA had activated countdown clocks overnight, providing predictions in minutes of when the next trains should arrive.

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