{"id":"S85110944","label":"Railroad crossings","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110944","normalized_label":"railroad crossings","broader":[],"aliases":["Crossings, Railroad","Grade crossings","Railroad track crossings","Railroads--Crossings","Railroads--Grade crossings"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110944","provider":"lcsh","revision":"27220315c1647e4f","taxonomy_revision":"f050b5d4780b1289","title":"Railroad crossings","url":"/topics/S85110944","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511673057769554496","address_version":"morton4x16-v1","coordinates":[0,20,19138,32768],"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}