{"id":"S85136766","label":"Traffic engineering","description":"Here are entered works on the planning of the flow of traffic and related topics, largely as they concern street transportation in cities and metropolitan areas.","source_url":"https://id.loc.gov/authorities/subjects/sh85136766","normalized_label":"traffic engineering","broader":["http://id.loc.gov/authorities/subjects/sh85060775","http://id.loc.gov/authorities/subjects/sh85137069"],"aliases":["Engineering, Traffic","Road traffic","Street traffic","Traffic control","Traffic regulation","Traffic, City","Urban traffic"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85136766","provider":"lcsh","revision":"a4f29ff6c160fc2c","taxonomy_revision":"f050b5d4780b1289","title":"Traffic engineering","url":"/topics/S85136766","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126559266489107972","address_version":"morton4x16-v1","coordinates":[0,20,19541,63488],"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}