{"id":"S2006004273","label":"Vehicle detectors","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2006004273","normalized_label":"vehicle detectors","broader":["http://id.loc.gov/authorities/subjects/sh2006004499","http://id.loc.gov/authorities/subjects/sh85037291"],"aliases":["Automatic traffic detectors","Traffic detectors","Traffic sensors","Traffic-actuated detectors"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2006004273","provider":"lcsh","revision":"588bf216229a37cf","taxonomy_revision":"f050b5d4780b1289","title":"Vehicle detectors","url":"/topics/S2006004273","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088076369750811168","address_version":"morton4x16-v1","coordinates":[0,478,17608,50176],"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}