PLAIN-LANGUAGE DEFINITION
What does Hours of Service (HOS) mean?
Federal rules limiting driving and on-duty time and requiring rest periods for commercial drivers.
Uzbek explanation
Commercial driverlarning driving va on-duty vaqtini cheklab, rest period talab qiladigan federal qoidalar.
How the term is used in trucking
“The driver took a qualifying break to remain HOS compliant.”
In the other language: Haydovchi HOSga rioya qilish uchun tegishli break oldi.
Why CDL drivers should know this term
You may encounter “Hours of Service (HOS)” during CDL training, permit preparation, a vehicle inspection, dispatch communication, or daily commercial-driving work. Understanding both the official English wording and the Uzbek explanation helps you communicate clearly and recognize the term in real situations.