{"id":"S96010011","label":"Highway-railroad grade crossings","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh96010011","normalized_label":"highway-railroad grade crossings","broader":["http://id.loc.gov/authorities/subjects/sh85110944","http://id.loc.gov/authorities/subjects/sh85114504"],"aliases":["Grade crossings, Highway-railroad","Rail-highway crossings","Railroad-highway grade crossings"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh96010011","provider":"lcsh","revision":"5c179ecd899d42f5","taxonomy_revision":"f050b5d4780b1289","title":"Highway-railroad grade crossings","url":"/topics/S96010011","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5530570169195578912","address_version":"morton4x16-v1","coordinates":[0,22,58364,27648],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}