{"carrier":{"dot_number":"524655","legal_name":"HEARTLAND EXPRESS INC","dba_name":"","entity_type":"OTHER-UNKNOWN","operating_status":"OTHER-UNKNOWN","phy_street":"6514 RIVER POINT DR","phy_city":"GREEN COVE SPRINGS","phy_state":"FL","phy_zip":"32043","phy_country":"US","phone":"9045299483","mc_number":"MC-281124","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":2,"total_drivers":2,"total_cdl":0,"mcs150_mileage":0,"mcs150_mileage_year":"","mcs150_date":"","add_date":"19930524","officer_1":"","officer_2":"","fleet_size_class":"B","business_type":"CORPORATION","duns_number":"","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:39:06","updated_at":"2026-05-16 01:39:06"},"crashes":{"total":5,"fatal":0,"injury":4},"safety_scores":[]}