{"carrier":{"dot_number":"3778700","legal_name":"MIDWEST TRUCK LINES LLC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE;U. S. MAIL","operating_status":"AUTHORIZED FOR HIRE;U. S. MAIL","phy_street":"340 FOX AVE","phy_city":"MECHANICSVILLE","phy_state":"IA","phy_zip":"52306","phy_country":"US","phone":"3199811781","mc_number":"MC-1351882","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":28,"total_drivers":41,"total_cdl":37,"mcs150_mileage":2522100,"mcs150_mileage_year":"2024","mcs150_date":"20250908 1448","add_date":"20211208","officer_1":"HOLLY PODUSKA","officer_2":"","fleet_size_class":"J","business_type":"","duns_number":"118441827","crash_rate":0,"prior_revoke_flag":"","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 02:02:31","updated_at":"2026-05-16 02:02:31"},"crashes":{"total":2,"fatal":0,"injury":0},"safety_scores":[],"freightproof":{"dot_number":"3778700","record_status":"no_vetting_yet","what_this_proves":"FMCSA-sourced carrier data cached by FreightProof. No signed vetting record exists yet; run one to generate a tamper-evident proof-of-checking.","data_hash":null,"vetting_date":null,"verify":null,"run_full_vetting":{"endpoint":"https://freight.rootz.global/mcp","tool":"freight_carrier_vet","arguments":{"dot_number":"3778700"},"sealed_evidence_tool":"freight_create_evidence"},"ai_discovery":"https://freight.rootz.global/.well-known/ai","data_source":"FMCSA (Census, Crash, Inspection, Enforcement)","legal_basis":"Montgomery v. Caribe Transport II, LLC, 608 U.S. ___ (2026)"}}