{"id":"S93004840","label":"Truck-mounted attenuators","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh93004840","normalized_label":"truck-mounted attenuators","broader":["http://id.loc.gov/authorities/subjects/sh93010219","http://id.loc.gov/authorities/subjects/sh94008295"],"aliases":["Attenuators, Truck-mounted","Crash cushions, Truck-mounted","TMAs (Traffic safety)","Truck attenuators","Truck-mounted crash cushions"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh93004840","provider":"lcsh","revision":"e70f63b35ae1150b","taxonomy_revision":"f050b5d4780b1289","title":"Truck-mounted attenuators","url":"/topics/S93004840","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9277490000248046112","address_version":"morton4x16-v1","coordinates":[0,22,11408,40960],"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}