{"id":"S85136465","label":"Tractor trailer combinations","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85136465","normalized_label":"tractor trailer combinations","broader":["http://id.loc.gov/authorities/subjects/sh85138148"],"aliases":["Tractor trailers"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85136465","provider":"lcsh","revision":"2c59418639932a03","taxonomy_revision":"f050b5d4780b1289","title":"Tractor trailer combinations","url":"/topics/S85136465","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864774691406348804","address_version":"morton4x16-v1","coordinates":[0,20,19537,17408],"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}