{"carrier":{"dot_number":"292798","legal_name":"WILLIAMS BUS LINES INCORPORATION","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"3438 LUTTRELL RD","phy_city":"ANNANDALE","phy_state":"VA","phy_zip":"22003","phy_country":"US","phone":"7035605355","mc_number":"MC-446923","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":5,"total_drivers":3,"total_cdl":3,"mcs150_mileage":55408,"mcs150_mileage_year":"2024","mcs150_date":"20250808 1447","add_date":"19870520","officer_1":"TAMMY WILLIAMS","officer_2":"","fleet_size_class":"C","business_type":"CORPORATION","duns_number":"106741101","crash_rate":0,"prior_revoke_flag":"N","prior_revoke_dot":"","cargo_types":"C","source":"census","ingested_at":"2026-05-16 01:36:51","updated_at":"2026-05-16 01:36:51"},"crashes":{"total":1,"fatal":0,"injury":1},"safety_scores":[],"freightproof":{"dot_number":"292798","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":"292798"},"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)"}}