{"carrier":{"dot_number":"569002","legal_name":"DAVID CALLAWAY OLSTAD","dba_name":"DAVE'S TRUCKING","entity_type":"OTHER-UNKNOWN;AUTHORIZED FOR HIRE","operating_status":"OTHER-UNKNOWN;AUTHORIZED FOR HIRE","phy_street":"110 E CENTER ST 844","phy_city":"MADISON","phy_state":"SD","phy_zip":"57042","phy_country":"US","phone":"5038805242","mc_number":"MC-277438","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":1,"total_drivers":1,"total_cdl":0,"mcs150_mileage":0,"mcs150_mileage_year":"","mcs150_date":"20100713 1440","add_date":"19940714","officer_1":"DAVID C OLSTAD","officer_2":"","fleet_size_class":"A","business_type":"CORPORATION","duns_number":"","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:39:07","updated_at":"2026-05-16 01:39:07"},"crashes":{"total":0,"fatal":null,"injury":null},"safety_scores":[]}