A trial in the London Underground found that standing on both sides of the escalator reduced congestion by about 30% http://www.nytimes.com/2016/06/13/world/europe/a-london-subway-experiment-please-dont-walk-up-the-escalator.htm …
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A trial in the London Underground found that standing on both sides of the escalator reduced congestion by about 30% http://www.nytimes.com/2016/06/13/world/europe/a-london-subway-experiment-please-dont-walk-up-the-escalator.htm …