Understanding Hours of Service (HOS) Violations: A Guide for Fleet Operators

In the transportation industry, compliance with Hours of Service (HOS) regulations is critical for safety, efficiency, and legal adherence. HOS rules, set by the Federal Motor Carrier Safety Administration (FMCSA), are designed to prevent driver fatigue and reduce accidents caused by overworked commercial drivers.

However, HOS violations remain one of the most common infractions in the trucking industry, leading to penalties, increased insurance costs, and, in severe cases, out-of-service orders. Understanding the key aspects of HOS compliance and the consequences of violations can help fleet operators and drivers avoid costly penalties and maintain safety on the road.

What Are Hours of Service (HOS) Regulations?

HOS regulations are federally mandated rules that govern the maximum amount of time commercial motor vehicle (CMV) drivers can operate within a given period. These rules apply to most CMVs transporting goods or passengers in interstate commerce.

Key HOS Rules for Property-Carrying Drivers:

• 11-Hour Driving Limit: Drivers may drive a maximum of 11 hours after 10 consecutive hours off duty.

• 14-Hour On-Duty Limit: Drivers cannot drive beyond the 14th consecutive hour after starting a duty shift.

• 30-Minute Break Rule: Drivers must take a break of at least 30 minutes after driving for 8 consecutive hours.

• 60/70-Hour Rule: Drivers cannot exceed 60 hours on duty over seven consecutive days or 70 hours over eight consecutive days.

• Sleeper Berth Provision: Drivers can split their required 10-hour off-duty time into two periods (e.g., 7 hours in the sleeper berth and 3 hours off-duty).

For passenger-carrying drivers and exemptions, refer to FMCSA’s official HOS guidelines for a complete breakdown of regulations and exemptions.

Common HOS Violations and Their Consequences

Despite strict enforcement, HOS violations continue to be among the top infractions in DOT roadside inspections. The most frequently cited violations include:

1. Exceeding Driving Limits

• Violating the 11-hour or 14-hour rule often results from poor trip planning or pressure to meet delivery deadlines.

• Consequence: Fines of up to $16,000 per offense, potential out-of-service orders, and points on the CSA (Compliance, Safety, Accountability) score.

2. Failing to Take Mandatory Breaks

• Skipping the required 30-minute break leads to noncompliance and increases accident risks.

• Consequence: Monetary fines and potential reduction in the carrier’s safety rating.

3. False Logbook Entries

• Drivers or fleet managers who manipulate electronic logging device (ELD) data or falsify paper logs risk severe penalties.

• Consequence: Civil penalties exceeding $12,000, possible driver disqualification, and criminal charges in extreme cases.

4. Not Using an FMCSA-Compliant ELD

• Since the Electronic Logging Device (ELD) Mandate took effect in 2019, drivers must use FMCSA-registered ELDs.

• Consequence: Vehicles can be placed out of service until an approved ELD is installed.

For an updated list of common violations, check out FMCSA’s Safety Measurement System (SMS) database.

How to Avoid HOS Violations

Fleet operators and drivers can take proactive steps to avoid HOS violations and ensure compliance.

1. Implement a Robust ELD System

• Use FMCSA-registered ELDs that automatically track driving time and duty status.

• Train drivers on how to properly use ELDs and log duty hours correctly.

2. Educate Drivers on HOS Compliance

• Regular training ensures drivers understand break requirements, driving limits, and the consequences of violations.

• Partner with training programs that focus on HOS best practices.

3. Plan Routes and Schedules Efficiently

• Fleet managers should factor in rest breaks and avoid scheduling drivers in a way that pressures them to violate HOS rules.

• Use fleet management software to optimize trip planning.

4. Conduct Internal Compliance Audits

• Regular audits of logbooks and ELD records help identify issues before they result in official violations.

• Stay updated on FMCSA rule changes through sources like the Department of Transportation (DOT).

The Role of Technology in HOS Compliance

Modern fleet management solutions help streamline HOS compliance by providing real-time tracking, automated alerts, and compliance reporting.

• AI-powered monitoring systems can detect potential violations before they happen.

• Automated compliance reporting ensures accuracy and reduces administrative burdens.

• Driver coaching tools offer real-time feedback to improve compliance habits.

For insights into how compliance technology is evolving, visit The National Institute for Occupational Safety and Health (NIOSH).

Final Thoughts: Ensuring HOS Compliance for a Safer Fleet

HOS regulations exist to protect drivers, fleets, and the public. With increasing scrutiny from FMCSA and DOT, compliance is more critical than ever.

By implementing effective training, leveraging technology, and fostering a culture of compliance, fleet operators can avoid costly penalties and enhance road safety.

Sentry Road specializes in helping businesses stay compliant with HOS regulations and broader safety and compliance needs. Contact us today to learn how we can help your fleet navigate compliance challenges with confidence.