{"carrier":{"dot_number":"523907","legal_name":"J B MACMASTER TRUCK LINES INC","dba_name":"","entity_type":"AUTHORIZED FOR HIRE","operating_status":"AUTHORIZED FOR HIRE","phy_street":"321 GRAY ROAD","phy_city":"FALMOUTH","phy_state":"ME","phy_zip":"04105","phy_country":"US","phone":"2078788718","mc_number":"MC-263773","mc_number_2":"","mc_number_3":"","carrier_operation":"A","hm_indicator":"N","power_units":1,"total_drivers":1,"total_cdl":1,"mcs150_mileage":93722,"mcs150_mileage_year":"2023","mcs150_date":"20240715 1619","add_date":"19930519","officer_1":"JASON  MACMASTER","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 01:39:06","updated_at":"2026-05-16 01:39:06"},"crashes":{"total":2,"fatal":0,"injury":2},"safety_scores":[]}