{"carrier":{"dot_number":"764317","legal_name":"WELLCO TANK TRUCKS INC","dba_name":"RAILROAD SPECIALTIES AND WASTE MANAGEMENT","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"17297 EAST 715 RD","phy_city":"DOVER","phy_state":"OK","phy_zip":"73734","phy_country":"US","phone":"4058284670","mc_number":"MC-343954","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"Y","power_units":22,"total_drivers":10,"total_cdl":10,"mcs150_mileage":1291690,"mcs150_mileage_year":"2022","mcs150_date":"20240112 0000","add_date":"19980810","officer_1":"MICHAEL MATTHEWS","officer_2":"ERIN RICHARDSON","fleet_size_class":"I","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 01:40:30","updated_at":"2026-05-16 01:40:30"},"crashes":{"total":31,"fatal":1,"injury":11},"safety_scores":[],"freightproof":{"dot_number":"764317","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":"764317"},"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)"}}