stands for dirty. A Straphangers Campaign “Smutz” survey determined line subway cars to be the dirtiest, advocates said Thursday. Just 17% of cars on the Bronx-Brooklyn route were rated clean during a Straphangers survey conducted between September and December. System wide, only 42% of subway cars checked by the Straphangers were clean, which the group defines as basically dirt free or having light dirt. That’s a 10% drop from the previous survey in 2011, the advocates said. “Transit officials are losing the war against dirty subway cars,” said Jason Chin-Fatt, the Straphangers’ field organizer. The 
blasted the report, calling the methodology flawed and unfair.Read more: Source