01/29/16 by Egor Korneev.

Drivers using multiple HOS rulesets – how to stay compliant.

LoadTrek works with a large number of fleets that choose to use Hours of Service exemptions. Some fleets are specialized carriers such as agricultural fleets. Others are common carriers that switch between intrastate and interstate rules, or US and Canadian rules. Others may have a mixed fleet of Class 8 trucks and passenger coaches.

Agricultural Truck

Specialized fleets use exemptions.

Running under different HOS profiles in each fleet segment is straightforward. However, if companies use the same drivers, on the same days, to run under two different HOS rulesets, the complexity quickly rises. The possibility of unexpected Hours of Services violations escalates.

In this post, we discuss viable approaches to ensure HOS compliance, despite the complexity of multiple HOS rulesets. We also discuss how the proliferation of Electronic Logging Devices (ELDs) impacts fleets that use multiple HOS rulesets.

When is it a good idea to use multiple profiles?

There are scenarios that justify or necessitate the use of multiple HOS profiles by drivers. Here some examples from actual fleets.

There are many other examples. If your fleet practices another approach, please leave us a comment below with a description and / or a question. We would love to hear from you.

What are the common problems when switching profiles?

The most frequent issue is when drivers receive a retroactive violation after a profile change. Let’s consider an example from a trucking / bus company.


Electronic Logging Device

A driver finishes the previous day on the Passenger Carrying profile. She parks the bus, and takes the required eight hours off. The next day, she logs back on duty and drives the motorcoach three hours to her destination. Then, she is scheduled to execute a postal route in a Class 8 property carrying vehicle. As she switches to the US Federal Interstate rules, she receives a retroactive violation. Why? The bus rules require only eight hours off duty time to reset the daily hours of service, whereas the Federal Interstate rules require ten hours. The driver was compliant in the morning when she started with the bus rules, but, after changing to the Federal rules at mid-day, she is now in violation of the 10 hour reset requirement.

We could discuss similar examples in agriculture, oilfield services, and for short haul-exemptions. But in a hope that the previous example was clear, we will move on.

The second common issue is improper selection of the profiles. We can use an example from the agricultural case that was previously highlighted. A driver operates under an agricultural exemption while delivering from farms, then switches to transporting grain between vendor plants, but neglect to change the HOS ruleset. During a roadside inspection, the driver may be ticketed for a violation.

The third common issue is the violation of the weekly hours. Some industry exemptions allow for a duty status to pause the daily clock, but not pause the weekly cumulative hours.

Impact of Electronic Logging Devices

ELDs do not introduce changes to the rules about using multiple HOS profiles. However, ELDs may expose violations that previously went unnoticed.

Not all ELD providers support dynamic profile switching. We are aware of only two other companies that allow for a driver-based profile selection. Please contact us with questions.

HOS Violations Trend

HOS violations trend

Best practices from our customers

We are including a short list of practices that our customers employ to minimize a chance of HOS violations when using multiple HOS profiles.

  1. Think in terms of your most restrictive profile. If your drivers are using two profiles: one requires 8 hours of rest, the other requires 10 hours of rest, then plan drivers’ work to allow for 10 hours of rest. Although not always possible, it is a safe approach.
  2. If using ELDs, restrict what profile drivers can choose based on the vehicle. For example, do not allow an ELD to display a non-CMV profile in a Heavy Duty truck, or a bus profile in a Class 8 semi. Check with your ELD vendor if they offer the functionality to restrict the profile selection based on the vehicle type.
  3. Educate your drivers on profile applicability. A quarterly training session with drivers can prevent violations and expensive road-side shutdowns.
  4. Place drivers on a consistent schedule. Then, drivers will know what profile they need to operate under, on any given day. Unfortunately, most operations do not have the luxury of a consistent schedule. Yet many fleets can decrease violations with a bit of planning.
  5. Perform regular office audits of logs to spot violation trends. If you know the most common scenarios that cause violations, then it is easier to arrest the negative trend.

Safe Driving!!!

*Disclaimer: this post does not contain legal advice. The post is for informational purposes only and does not contain policy recommendations. Each company should research the applicable rules and regulations, and design its operational processes to comply with the federal rules, and the rules of their states and industries.

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Written by: Egor Korneev
Edited by: Dushan Yovovich

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