Federal law limits most truck drivers to 11 hours of driving per day
The Federal Motor Carrier Safety Administration (FMCSA) sets the rule that applies to most commercial truck drivers: you can drive a maximum of 11 hours within a 14-hour window, after 10 consecutive hours off duty. This means if you start your day at 6 a.m., you have until 8 p.m. to complete your 11 hours of driving — but you cannot drive past that 14-hour mark no matter how many hours you have actually spent behind the wheel.
The 11-hour limit is a hard ceiling. You cannot bank unused hours, carry them forward to the next day, or negotiate around it. If you hit 11 hours, you must stop driving until you have completed 10 consecutive hours off duty. The rule exists because fatigue degrades reaction time and judgment, and the FMCSA treats it as a safety floor, not a suggestion.
How many miles you actually cover in those 11 hours depends on road conditions, traffic, terrain, and your truck's speed. On an interstate in flat country with light traffic, an 11-hour day might mean 600 to 700 miles. In mountainous terrain, heavy traffic, or with frequent stops, it could be 400 to 500 miles. The regulation caps your time, not your distance.
Key Takeaways
- The FMCSA limits you to 11 hours of driving within a 14-hour window, after which you must take 10 consecutive hours off duty.
- The 11-hour limit applies to most commercial truck drivers, but some exemptions exist for certain vehicle types and short-haul operations.
- Your actual daily mileage depends on road conditions and speed, not the hours rule — 11 hours might mean 400 to 700 miles depending on terrain and traffic.
- Violations are tracked by electronic logging devices (ELDs) in most trucks, and fines for exceeding hours-of-service rules start at several hundred dollars per violation.
Who the 11-hour rule applies to
The rule covers drivers of commercial motor vehicles weighing more than 10,001 pounds that cross state lines. This includes most over-the-road trucking, but excludes some operations. Local delivery drivers, drivers of vehicles under 10,001 pounds, and certain agricultural or short-haul operations may have different limits or exemptions.
If you drive for a carrier that operates across state lines — which most trucking companies do — you follow the federal 11-hour rule. If you work entirely within one state, your state may have its own hours-of-service rules, which sometimes differ from federal limits. Check with your carrier or your state's transportation department to know which rule applies to your specific operation.
How electronic logging devices track your hours
Since December 2017, most commercial trucks have been required to use electronic logging devices (ELDs) instead of paper logbooks. An ELD automatically records when the engine is running, when you are driving, and when you are off duty. It syncs with the truck's engine and cannot be manually overridden — you cannot claim you were off duty when the truck was moving.
The ELD displays your remaining driving time in real time. When you approach your 11-hour limit, the device alerts you. When you hit 11 hours, the system locks you out of driving mode. You cannot restart driving until the ELD shows 10 consecutive hours off duty. Law enforcement can pull your ELD records during roadside inspections, and carriers can monitor them remotely.
Falsifying ELD records is a federal violation that can result in fines of $1,000 to $5,000 per violation, disqualification from driving, and criminal charges in cases of repeated fraud. The ELD system exists partly because paper logbooks were routinely falsified, and the FMCSA wanted an audit trail that could not be erased.
What counts as driving time versus off-duty time
The ELD distinguishes between four statuses: driving, on-duty not driving, off-duty, and sleeper berth. Only time spent actually operating the vehicle counts as driving time. This means fueling, inspecting the truck, loading or unloading cargo, and waiting at a shipper or receiver all count as on-duty time — they use up your 14-hour window but do not count toward your 11-hour driving limit.
This distinction matters for planning. If you have 6 hours of driving left in your 14-hour window but need to wait 3 hours for cargo to be loaded, you can do the loading (on-duty time) and then drive the remaining 6 hours. But if you have only 2 hours of driving time left, you cannot drive again until you have taken 10 hours off duty, even if you have 8 hours left in your 14-hour window.
Sleeper berth time is off-duty time spent in a sleeper compartment on the truck. You can split your 10-hour off-duty requirement into two periods — for example, 5 hours in the sleeper berth and 5 hours off the truck — as long as neither period is less than 2 hours. This allows some flexibility for drivers who need to rest but want to keep moving toward their destination.
Penalties for exceeding hours-of-service limits
Violations are tracked and fined at multiple levels. A driver caught exceeding the 11-hour limit faces a civil penalty starting at $500 to $1,000 per violation. The carrier that employed the driver also faces fines, typically $1,000 to $5,000 per violation. Repeat violations can lead to out-of-service orders, which prevent the driver or carrier from operating until the violation is corrected.
Beyond fines, violations create a record. Carriers check violation history when hiring, and a pattern of hours-of-service violations can make you unhirable at reputable companies. Insurance companies also review violation records, and drivers with violations may face higher premiums or be dropped from coverage.
The most serious consequence is an accident. Fatigue-related crashes are more likely to be severe, and if an investigation shows you were driving beyond your legal hours, liability becomes clearer. Insurance may deny coverage if you were operating in violation of federal law.
How to calculate your actual daily mileage potential
Start with your truck's cruising speed. Most commercial trucks are governed to 65 mph, though some run 60 or 70 depending on the carrier. At 65 mph, 11 hours of pure driving time equals roughly 715 miles. At 60 mph, it is about 660 miles. At 55 mph (common in mountainous regions or for certain carriers), it is 605 miles.
Then subtract time for mandatory stops. A 30-minute fuel stop, a 15-minute pre-trip inspection, and a 30-minute meal break consume 75 minutes of your 14-hour window. That leaves you with roughly 12 hours and 45 minutes of potential driving time — but you can only use 11 of those hours for actual driving. The remaining time is absorbed by on-duty activities.
In practice, most drivers average 500 to 600 miles per day over a week, accounting for traffic, weather, loading delays, and the fact that not every day starts with a full 11-hour bank. Long-haul drivers pushing hard might hit 650 to 700 miles on a good day, but that is not sustainable every day without violating the rules or running into fatigue.
Exceptions and special rules
Short-haul operations have different limits. If you operate within a 150-mile radius of your base and return to your base within 12 hours, you may be exempt from ELD requirements and can follow a 10-hour driving limit instead of 11. Some agricultural and livestock hauling operations have exemptions. Drivers of vehicles under 10,001 pounds are not subject to federal hours-of-service rules at all.
Some states impose stricter limits than federal law. California, for example, has additional fatigue-management rules for certain operations. If you work in multiple states, you follow the most restrictive rule that applies to your operation.
Emergency situations — such as avoiding an accident or responding to a natural disaster — may allow temporary deviation from hours-of-service rules, but this is narrowly defined and must be documented. It is not a loophole for regular operations.
Frequently Asked Questions
Can I drive 11 hours straight, or do I have to take breaks?
Federal law does not require breaks during your 11 hours of driving, but most carriers require a 30-minute break after 8 hours of driving to comply with FMCSA fatigue-management guidance. Some states mandate breaks. Check your carrier's policy and your state's rules. Practically, most drivers stop for fuel and food anyway, which breaks up the driving time.
What happens if I run out of hours while I am on the road?
You must pull over and stop driving when ready. You can continue on-duty activities like fueling or inspecting the truck, but you cannot operate the vehicle. You must take 10 consecutive hours off duty before you can drive again. The ELD will not allow you to restart the engine in drive mode until that time has passed.
Do I lose my driving hours if I take a break?
No. Your 11-hour driving limit resets only after you complete 10 consecutive hours off duty. A 30-minute break for food or fuel does not reset your hours — it just pauses the clock on your 14-hour window. You still have the same amount of driving time left when you resume.
Can my carrier require me to drive more than 11 hours?
No. Federal law prohibits carriers from requiring, allowing, or coercing drivers to exceed 11 hours of driving in a 14-hour period. If your carrier pressures you to violate hours-of-service rules, you can report it to the FMCSA or your state's transportation department. Retaliation for refusing to violate the rules is illegal.
How do I know if I am exempt from the 11-hour rule?
Ask your carrier or check your operating authority. If you drive a vehicle over 10,001 pounds across state lines, you almost certainly follow the 11-hour rule. If you operate within 150 miles of your base and return within 12 hours, you may may have access to for short-haul exemption. If you drive under 10,001 pounds or entirely within one state, different rules may explore — check your state's transportation department.