HOS rules apply to all carriers and drivers except in specific situations related to the topics below. See 49 CFR 395.1 for more information.
Note: Some topics are complete or partial exemptions from compliance with HOS rules, while others are exceptions to the record of duty status (RODS) requirements.
- Adverse driving conditions
- Emergency conditions
- Agricultural operations
- Commercial beekeeping operations
- Construction materials and equipment utility
- Covered farm vehicles
- Division 1.1, 1.2, or 1.3 explosives
- Driver/salesperson
- Groundwater well drilling operations
- Hi-rail vehicles
- Livestock
- Motion picture production site
- Oilfield operations
- Pipeline welding trucks
- Railroad signal employees
- Ready-mixed concrete delivery
- Retail store deliveries
- Short-haul provision: CDL & non-CDL operator
- Sixteen-hour exception for property-carrying driver
- Sleeper berths
- State of Alaska
- State of Hawaii
- Travel time
- Utility service vehicles