fmcsa_hosLevel 1
Hours of Service (HOS)
GET
/api/v1/systems/fmcsa_regs/nodes/fmcsa_hosHierarchy Explorer
Hierarchy Explorer
Cross-system equivalences43
Domain taxonomies
Plain-language peersOfficial standards
Government and standards bodiesNAICS 2022
484Truck Transportationbroad4841General Freight Truckingbroad48411General Freight Trucking, Localbroad484110General Freight Trucking, Localbroad48412General Freight Trucking, Long-Distancebroad484121General Freight Trucking, Long-Distance, Truckloadbroad484122General Freight Trucking, Long-Distance, Less Than Truckloadbroad4842Specialized Freight Truckingbroad48421Used Household and Office Goods Movingbroad484210Used Household and Office Goods Movingbroad48422Specialized Freight (except Used Goods) Trucking, Localbroad484220Specialized Freight (except Used Goods) Trucking, Localbroad48423Specialized Freight (except Used Goods) Trucking, Long-Distancebroad484230Specialized Freight (except Used Goods) Trucking, Long-Distancebroad485Transit and Ground Passenger Transportationbroad4851Urban Transit Systemsbroad48511Urban Transit Systemsbroad485111Mixed Mode Transit Systemsbroad485112Commuter Rail Systemsbroad485113Bus and Other Motor Vehicle Transit Systemsbroad485119Other Urban Transit Systemsbroad4852Interurban and Rural Bus Transportationbroad48521Interurban and Rural Bus Transportationbroad485210Interurban and Rural Bus Transportationbroad4853Taxi and Limousine Servicebroad48531Taxi and Ridesharing Servicesbroad485310Taxi and Ridesharing Servicesbroad48532Limousine Servicebroad485320Limousine Servicebroad4854School and Employee Bus Transportationbroad48541School and Employee Bus Transportationbroad485410School and Employee Bus Transportationbroad4855Charter Bus Industrybroad48551Charter Bus Industrybroad485510Charter Bus Industrybroad4859Other Transit and Ground Passenger Transportationbroad48599Other Transit and Ground Passenger Transportationbroad485991Special Needs Transportationbroad485999All Other Transit and Ground Passenger Transportationbroad