{"id":"S85136778","label":"Traffic signs and signals","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85136778","normalized_label":"traffic signs and signals","broader":["http://id.loc.gov/authorities/subjects/sh85060772","http://id.loc.gov/authorities/subjects/sh85114488","http://id.loc.gov/authorities/subjects/sh85122412","http://id.loc.gov/authorities/subjects/sh85137076"],"aliases":["Road signs","Roads--Signs","Roads--Traffic signs","Roadside traffic signs","Traffic control devices","Traffic signaling","Transportation, Automotive--Traffic control"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85136778","provider":"lcsh","revision":"3c222d16281ce455","taxonomy_revision":"f050b5d4780b1289","title":"Traffic signs and signals","url":"/topics/S85136778","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324474677517223488","address_version":"morton4x16-v1","coordinates":[0,20,19542,10240],"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}