Hours of service and ELD glossary
Short, exact definitions of the words on your log and in the rules, with the citation for each. It starts with the four duty statuses every minute of your day falls into.
BOARD 01THE FOUR DUTY STATUSES
- OFFOff duty
- Relieved of all work and responsibility for the truck and load. Counts toward required rest.
- SBSleeper berth
- Resting in a qualifying sleeper berth. Counts toward rest and toward 7/3 or 8/2 splits.
- DDriving
- Time at the controls of a commercial motor vehicle in operation. Counts against the 11 hours.
- ONOn duty, not driving
- Working but not driving: inspections, fueling, loading, paperwork. Uses window and cycle time.
49 CFR 395.2 · CHECKED 2026-10-05
BOARD 02ALL TERMS
Term pages are being added. Until then, every rule is explained with citations in DOT hours of service rules.
Rules learned. Want loads that respect them?
Our dispatchers plan every load around your clocks. You confirm every one.
Apply for dispatchEXAMPLE · 49 CFR 395.3 · checked 2026-10-05