Hours of Service Guides

Hours of Service rules under 49 CFR Part 395 set daily and weekly limits on driving and on-duty time for CDL drivers operating in interstate commerce. These guides cover the core limits and exemptions for property-carrying CMV operations.

Hours of Service for Property CMV Drivers

Federal HOS rules for property-carrying CDL drivers: 11-hour drive limit, 14-hour on-duty window, 60/70-hour weekly cycle, and off-duty requirements.

Updated 2026-05-29

11-Hour Driving Limit — How It Works

How the 11-hour daily driving limit works for property-carrying CMV drivers, what counts as driving time, and when the limit resets under 49 CFR Part 395.

Updated 2026-05-29

14-Hour On-Duty Window — How It Works

How the 14-hour on-duty window works for CMV drivers, why off-duty breaks don't extend it, and how it interacts with the 11-hour driving limit.

Updated 2026-05-29

Adverse Driving Conditions HOS Exemption

When the adverse driving conditions exemption applies to extend a CDL driver's 11-hour limit and 14-hour window by up to 2 hours under 49 CFR Part 395.

Updated 2026-05-29

Hours of Service Rules for Team Drivers

How HOS rules apply to team drivers, how passenger time in the sleeper berth is logged, and how each driver tracks their individual limits.

Updated 2026-05-29