Hours of Service (HOS) regulations are a set of rules that govern the maximum number of hours that can be driven, specify mandatory break times and time off, and duty cycles. HOS rules apply to anyone operating a commercial vehicle in the United States that meets certain criteria, such as weighing at least 10,000 lbs. or being used to transport hazardous materials. While HOS regulations are enforced by the Federal Motor Carrier Safety Administration (FMCSA), a division of the U.S. Department of Transportation (DOT), they only apply to interstate commerce, meaning the transfer of goods, services, and passengers across state borders. Intrastate commerce, on the other hand, refers to the transfer of these items within a single state, and each state has its own HOS regulations.
Characteristics | Values |
---|---|
Who do the rules apply to? | Anyone operating a commercial motor vehicle (CMV) in the United States. |
Vehicle criteria | Weighs 10,001 pounds or more, transports hazardous materials, designed or used to transport 16 or more passengers (including the driver) without compensation, or 9 or more passengers for compensation. |
Interstate commerce | Applies to drivers and companies that engage in business across state lines. |
Intrastate commerce | Drivers who only engage in intrastate commerce are not required to follow DOT Hours of Service regulations, but each state sets its own guidelines. |
Hazmat drivers | If you are transporting hazardous materials, you must follow DOT HOS regulations regardless of interstate or intrastate commerce. |
Short-haul exception | Drivers within a 150 air-mile radius of their work reporting location and not exceeding a 14-hour duty period are exempt from certain HOS requirements. |
Adverse driving conditions exception | Drivers can extend their driving window by up to 2 hours during adverse driving conditions. |
30-minute break requirement | Drivers must take a 30-minute break after 8 hours of cumulative driving time. |
Sleeper berth provision | Drivers can split their 10-hour off-duty period, with one period of at least 2 hours and the other of at least 7 hours in the sleeper berth. |
The 14-hour rule
Once the 14-hour limit has been reached, drivers must take a 10-hour break to reset their clock and resume driving for another 14 hours. It's important to note that any off-duty breaks shorter than 10 hours will still be counted as part of the 14 hours. The 14-hour rule aims to prevent driver fatigue, improve safety on the roads, and reduce the risk of accidents.
In addition to the 14-hour rule, HOS regulations also specify a 30-minute break requirement. Drivers must take a 30-minute break after driving for eight hours, but they are not required to go off duty during this time. This break can be satisfied by any non-driving activity, such as being on-duty but not driving, off-duty, or in a sleeper berth.
The HOS regulations also include a weekly limit on total driving time. Carriers that do not operate daily cannot drive after completing 60 hours on duty within any seven-day period. Carriers operating daily cannot drive after completing 70 hours on duty within eight days. To reset the 60/70-hour limit, a 34-hour restart is required, providing drivers with consecutive time off to rest and refresh.
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The 11-hour rule
For passenger-carrying drivers, the limit is slightly different. They are allowed to drive up to 10 hours after eight consecutive hours off duty. This distinction is made because passenger-carrying vehicles often involve longer trips and more passengers, requiring stricter regulations to ensure the safety of the passengers.
It's worth noting that the 11-hour rule is just one aspect of the HOS regulations. There are also daily and weekly restrictions on driving time, such as the 14-hour shift limit and the 60/70-hour rule. Additionally, drivers must take a 30-minute break after driving for eight cumulative hours, and there are provisions for adverse driving conditions and emergency situations that may require exceptions to these rules.
The HOS regulations are subject to change and evolution as the Federal Motor Carrier Safety Administration (FMCSA) and DOT work to balance driver flexibility and safety. Staying up-to-date with the latest HOS rules is essential for compliance and maintaining a high safety rating for carriers.
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30-minute break rule
The 30-minute break rule is a regulation that requires commercial drivers to take a break after a certain period of driving time. This rule is designed to help prevent driver fatigue, which can lead to accidents, and applies to most commercial drivers.
According to the rule, drivers must take a break of at least 30 consecutive minutes after driving for eight hours. This break can be taken as time off-duty, on-duty but not driving, in a sleeper berth, or as a combination of these options. Importantly, this rule does not extend the 14-hour window in which a driver must complete their shift. This means that the 30-minute break will count towards the available 14 on-duty hours.
The 30-minute break rule was first introduced by the Federal Motor Carrier Safety Administration (FMCSA) on December 27, 2011. However, the rule has since been updated. The current version of the rule, published on June 1, 2020, and effective as of September 29, 2020, specifies that drivers must take a 30-minute break after eight cumulative hours of driving time, rather than eight hours of on-duty time. This change gives commercial motor vehicle (CMV) drivers greater flexibility without compromising safety.
It is important to note that the 30-minute break rule does not apply to all drivers. Short-haul drivers who qualify for the 150 air-mile radius exceptions, for example, are not required to take this break. Additionally, the rule does not apply to passenger-carrying vehicles.
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60-hour/70-hour limits
The 60-hour/70-hour limit is one of the Hours-of-Service (HOS) regulations that apply to most drivers of commercial motor vehicles (CMVs) in the United States. The HOS regulations are designed to ensure driver safety by preventing driver fatigue and drowsiness.
The 60/70-hour limit states that a driver may not drive after 60 hours on duty in seven consecutive days or 70 hours on duty in eight consecutive days. This limit depends on the carrier's operating schedule. Carriers that do not operate every day of the week are subject to the 60-hour limit, while carriers that operate daily are subject to the 70-hour limit.
To reset the seven or eight-day period, a driver must take 34 or more consecutive hours off duty. This break ensures that drivers get sufficient rest and helps to improve road safety.
The HOS regulations also include other important rules, such as the 14-hour shift limit, the 11-hour driving limit, and the 30-minute break rule. These rules work together to prevent driver fatigue and improve road safety.
It is important to note that the HOS regulations apply to both interstate and intrastate commerce, with some differences in the specific rules that apply. Additionally, drivers transporting hazardous materials in large quantities must comply with the HOS regulations regardless of whether they are engaged in interstate or intrastate commerce.
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34-hour restart
The 34-hour restart rule is a provision of the Hours-of-Service (HOS) Regulations, which dictate the maximum time that drivers are permitted to be on duty, including driving time, and the number and length of rest periods. The HOS regulations are issued by the Federal Motor Carrier Safety Administration (FMCSA), a branch of the Department of Transportation (DOT) that regulates commercial vehicles.
The 34-hour restart rule allows commercial motor vehicle drivers to reset their 60-hour or 70-hour clocks after taking 34 consecutive hours off duty. This means that drivers can take 34 straight hours in the sleeper berth, off-duty, or a combination of both, to reset their weekly driving limit. This rule is in place to ensure that drivers are properly recovered and refreshed, enabling them to resume driving with full alertness and reducing the number of fatigue-related fatalities on the road.
The rule was initially passed in 2013 but was suspended by Congress in 2015. The 2013 version of the rule had two provisions that no longer apply: the 34-hour period had to contain two periods between 1 a.m. and 5 a.m. to be valid, and only one 34-hour restart was allowed every 168 hours. The current version of the rule does not have these requirements.
The 34-hour restart rule is not mandatory; it is up to the driver's discretion to take advantage of it. However, it can be the quickest way to refresh one's driving cycle and get back on the road.
To log a 34-hour restart, drivers must use an electronic logging device (ELD) to track their duty status and driving hours. This technology helps enforce the rule and ensures compliance with HOS regulations.
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Frequently asked questions
Hours of Service (HOS) laws apply to anyone operating a commercial motor vehicle (CMV) in the United States. This includes international carriers from Canada or Mexico who are driving in the U.S.
A commercial motor vehicle meets one or more of the following conditions:
- Weighs (with or without a load) more than 10,000 pounds
- Has a gross vehicle weight rating or gross combination weight rating of 10,001 pounds or more
- Is designed or used to transport 16 or more passengers (including the driver) not for compensation
- Is designed or used to transport 9 or more passengers (including the driver) for compensation
- Is transporting hazardous materials in a quantity requiring placards
HOS regulations include:
- 14-hour shift limit
- 11-hour driving limit
- 30-minute break rule
- 60-hour/70-hour weekly limits
- 34-hour restart rule
Yes, there are several exemptions to HOS rules, including:
- 30-minute break exemption for certain short-haul drivers
- 16-hour short-haul exception
- Non-CDL short-haul exemption
- Adverse driving conditions exemption
- Emergency conditions exemption