Photograph of one of the wooden platform rubbing boards boards at the Kings Highway subway station by Triborough on Flickr In the wake of a 14-year-old's fall into subway tracks after the platform edge crumbled, giving way, concerns are being raised over dangerous platforms at other stations. amNew York listed nine in Brooklyn, the Bronx, and Manhattan: Brooklyn, Q line: - Avenue J: boards are separated from the platform and warped. - Avenue M:......