{"carrier":{"dot_number":"3814501","legal_name":"MARTHA TRANSPORT LLC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"305 EMERALD CV","phy_city":"FLOWOOD","phy_state":"MS","phy_zip":"39232","phy_country":"US","phone":"6019348500","mc_number":"MC-1377919","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":1,"total_drivers":2,"total_cdl":1,"mcs150_mileage":1,"mcs150_mileage_year":"2022","mcs150_date":"20230615 0000","add_date":"20220204","officer_1":"M L WALKER","officer_2":"","fleet_size_class":"A","business_type":"","duns_number":"","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 02:02:48","updated_at":"2026-05-16 02:02:48"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[]}