Alex Mayfield | May 6, 2026 | Truck Accidents
Truck drivers move much of the country’s freight, but they cannot legally stay behind the wheel without limits. Federal safety rules restrict how many hours commercial drivers may operate before taking breaks or off-duty time. These rules are designed to reduce fatigue-related truck accidents and improve roadway safety.
Understanding how many hours a truck driver can drive helps explain why driver logs, schedules, and rest periods often become important after a collision.
Who Sets the Driving Limits for Truck Drivers?
Most commercial truck drivers engaged in interstate commerce are governed by the Federal Motor Carrier Safety Administration (FMCSA) hours of service regulations. These rules apply to many long-haul and regional trucking operations.
Some intrastate drivers may be subject to state-specific rules, but many states use standards that are similar to federal regulations.
The 11-Hour Driving Limit
For property-carrying commercial drivers, one of the main hours of service rules is the 11-hour driving limit.
This generally means a driver can drive up to 11 total hours only after they have 10 consecutive hours off-duty. The 11 hours in this rule refer to actual driving time, not all work time.
This limit may be extended by up to two hours in adverse driving conditions.
The 14-Hour Duty Window
Truck drivers must also comply with a 14-hour on-duty window. This rule means that, regardless of how many hours the driver has driven on their current shift, a driver may not drive once they have been on duty for 14 consecutive hours. Breaks and non-driving work performed while on duty still count toward this 14-hour window.
This rule prevents endless stretching of the workday by prohibiting the use of breaks and non-driving work to circumvent the 11-hour driving limit.
Like the hour limit, this duty window can also be extended by up to two hours in the event of adverse driving conditions.
Required Rest Breaks
Drivers must also take breaks during the day, as required by applicable rules.
Common requirements include:
- A qualifying break after a certain amount of driving time
- Off-duty or sleeper berth time that meets legal standards
- Longer rest periods between shifts
For many property-carrying drivers, federal rules require a 30-minute break after 8 cumulative hours of driving without a half-hour break. These requirements are meant to combat driver fatigue before it becomes a problem.
Weekly Hour Limits
In addition to daily rules, there are rolling weekly limits. Depending on the carrier’s schedule, a driver may not exceed 60 hours on duty within 7 consecutive days or 70 hours on duty within 8 consecutive days.
Drivers may reset available hours through qualifying off-duty periods under current rules.
What Counts as On-Duty Time?
Driving is only part of a trucker’s workday. On-duty time can include many non-driving tasks.
Examples include:
- Loading or unloading cargo
- Vehicle inspections
- Fueling
- Waiting at shipping facilities in some situations
- Paperwork and dispatch duties
A driver may feel exhausted long before the legal driving hours are reached if the rest of the day has been demanding.
Why These Rules Matter
Fatigue can slow reaction time, impair judgment, and increase stopping distance. A tired truck driver operating an 80,000-pound vehicle creates obvious risk.
Hours-of-service rules aim to reduce:
- Rear-end collisions
- Lane departure crashes
- Delayed braking incidents
- Microsleep events
- Poor decision-making under stress
Violations can be serious evidence after a crash.
How Violations Are Proven
Modern trucking cases often involve electronic logging devices (ELDs) and company records.
Evidence may include:
- Electronic logs
- GPS data
- Fuel receipts
- Dispatch messages
- Bills of lading
- Surveillance footage
These records can help determine whether a driver exceeded legal limits.
Contact Our Brunswick Truck Accident Lawyers at Mayfield Law, LLC for a Free Consultation
When truck crashes happen, driving-hour compliance is often a key issue. The number of hours a truck driver can drive depends on applicable federal or state rules, but many commercial drivers are limited to 11 hours of driving within a 14-hour duty window, along with required breaks and weekly caps. These limits exist to reduce fatigue and improve safety.
For legal help after a truck crash, call Mayfield Law, LLC to schedule a free consultation with a Brunswick truck accident lawyer.
We proudly represent clients throughout Brunswick and Nahunta, Georgia, as well as across Glynn County and Brantley County. We’re here to offer trusted, compassionate legal guidance. Let us help you navigate the legal process and secure the compensation you deserve.
Mayfield Law, LLC Brunswick
1611 Union St
Brunswick, GA 31520
(912) 457-8557
Mayfield Law, LLC Nahunta
13903 E Cleveland St
Nahunta, GA 31553
(912) 733-4651
