The Straphangers Campaign's annual report named the 7 the best train and the 2 the worst.
Nearly half of all subway lines were dirtier in 2013 than they were in 2011, according to the survey.
One in five large New York hospitals have outdated visitation policies on their websites, a report said.
The Straphangers Campaign surveyed 251 subway platforms in 2012.
A plan to burn Sandy debris has some environmental groups up in arms.
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