Keeptruckin Glossary

Everything you need to know about the Fleet Management Industry.

Hours of Service

What is the 30-minute Break Rule?

Learn what the 30-minute break rule is, along with when and how it applies to commercial drivers.

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What are Hours of Service Rules?

This post explains the basic concept of the Hours of Service rules, their purpose, who must comply with HOS rules, and how CMV drivers and companies must demonstrate compliance.

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What is the 14-Hour Rule?

The 14-hour rule is a federal safety Hours of Service rule that applies to most CMV drivers. Learn more about the 14-hour rule and why it is commonly referred to as the “driving window.”

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What is the 34-Hour Restart Rule?

The 34-hour restart rule is part of the larger federal Hours of Service for property-carrying CMV drivers. This post explains the 34-hour restart rule and how it could benefit commercial drivers.

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What is the Split Sleeper Berth Rule?

The split sleeper berth rule allows a truck driver to extend a shift by splitting the required 10 consecutive hours of off-duty time into two shifts.

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What is the Short-Haul Exemption?

This post explains the short-haul exemption, its purpose, and how CMV drivers and companies qualify for it.

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What are the new Hours of Service rules? (2020)

The FMCSA made several changes to the Hours of Service rules in 2020. Here are the details of all those new Hours of Service rules and changes.

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What is the Adverse Driving Conditions Exception?

When using the adverse driving conditions exception, a property-carrying driver may drive up to 13 hours within 16 hours of coming on duty. This post explains the details of this exception.

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What is Interstate Commerce?

This post explains what qualifies a movement as interstate commerce, and, if so, what regulations apply.

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What are the 60/70 Hour Rules?

This post will explain what the Federal 60/70 Hours rules are, to whom these rules apply, and what is a "rolling period".

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