Hours of Service Violations FMCSA Auditors Find Most Often in New Carrier Audits

Talk to a safety investigator long enough and you will hear the same sentence: hours of service is where new carriers fail. Not because the rules are impossible, and not because every new carrier is cheating. Most violations come from a combination of unfamiliarity, ELD misconfiguration, and the inability to produce supporting documents when asked. The good news is the violations cluster around five issues. Fix those and your HOS audit goes clean.

The five HOS rules every driver must follow

1. 11-hour driving limit

   A property-carrying driver may drive a maximum of 11 hours after 10 consecutive hours off duty.

2. 14-hour driving window

   A driver may not drive after the 14th consecutive hour after coming on duty, following 10 consecutive hours off duty. Off-duty time during the 14 hours does not extend the window (with limited exceptions like the sleeper berth split).

3. 60/70-hour limit

   Drivers may not drive after 60 hours on duty in 7 consecutive days, or 70 hours in 8 consecutive days, depending on the carrier's operating schedule. A 34-hour restart resets the period.

4. 30-minute break

   Drivers must take a 30-minute break before driving if more than 8 cumulative hours of driving time have passed since the last off-duty or sleeper-berth period of at least 30 minutes.

5. Short-haul exception (100 air-mile)

   Drivers operating within 150 air miles of the normal work reporting location, returning to that location within 14 hours, may use a time record instead of an ELD log if they satisfy all conditions in 49 CFR 395.1(e).

The top five violations auditors actually cite

• Driving beyond the 11-hour limit -- usually 15 to 30 minutes over, almost always avoidable
• Driving beyond the 14-hour duty window -- common when drivers wait long at shippers and try to make up time later
• Falsifying or editing the log without proper annotation -- ELDs flag edits, and edits without explanations look like falsification
• Failing to take the 30-minute break -- drivers often forget, and the ELD does not stop them
• Missing supporting documents -- bills of lading, fuel receipts, toll records that should align with the logs but do not exist

Why ELDs are not a free pass

Many new carriers think buying an ELD means HOS compliance is handled. The ELD records driving time accurately, but the carrier is still responsible for reviewing logs, retaining the data, providing logs to FMCSA on request, and matching logs to supporting documents. The ELD also has to be on the FMCSA registered device list -- using a self-certified ELD that was later revoked from the list is itself a violation.

Supporting documents -- the audit's favorite trap

Section 395.11 requires carriers to retain up to 8 supporting documents per driver per 24-hour period -- examples include bills of lading, fuel receipts, dispatch records, payroll records, expense receipts, and trip records. The auditor matches a sample of supporting documents to the driver's logs. If a fuel receipt shows the driver was 200 miles from where the log says they were, the carrier explains the discrepancy or accepts the violation.

The personal conveyance trap

Personal conveyance is permitted but narrowly defined. It is movement of a CMV for the driver's personal purpose while off duty, with no advancement of the load. Driving an empty truck home counts. Repositioning the truck for tomorrow's load does not. Misuse of personal conveyance is one of the fastest-growing violation categories.

What the auditor looks for

• ELD records for every driver covering the audit period -- usually past 6 months
• ELD make, model, and registration confirming the device is on the FMCSA list
• Carrier's review of the logs -- evidence the carrier audited logs internally and addressed violations
• Supporting documents matched to a sample of trips
• Driver hours-of-service training records
• Written HOS policy and disciplinary procedure for repeat violators

Building a clean HOS program

1. Choose a registered ELD

   Verify the device is on FMCSA's registered list before you buy. If it is later removed, you have eight days to switch.

2. Train every driver on HOS rules

   Document the training with date, topic, and signature.

3. Audit logs weekly

   Pull the previous week's logs every Monday, flag any violations or unannotated edits, and document the review.

4. Retain all logs and supporting documents for six months

   Index them by driver and date. The auditor will sample.

5. Use personal conveyance only when it qualifies

   Train drivers on the strict definition and document any extended personal conveyance use.