The Riders Alliance is asking for greater frequency and better communication on the Eighth Avenue line.
The Straphangers Campaign's annual report named the 7 the best train and the 2 the worst.
The F had more than 300 delay alerts in 2013, more than any other line, a transit advocacy group said.
Nearly half of all subway lines were dirtier in 2013 than they were in 2011, according to the survey.
The Straphangers Campaign surveyed 251 subway platforms in 2012.
The Straphangers Campaign named and shamed the slowest and most unreliable buses.
The C train earned the lowest rating in an annual subway report card for the fourth straight year.
The J/Z line landed in the top spot for the first time ever, while the C and 2 lines ranked last, according to the Straphangers Campaign.
Advocates will install the vintage-looking tollbooth to draw attention to lost revenue for infrastructure after tollbooths were removed.
A new survey ranked city subway lines based on how clear their announcements can be heard by straphangers.
The "C" train was named the city's worst subway line for the second straight year by the Straphangers Campaign.
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