FMCSA to study impact of HOS regs on crash risk

Trucking news and briefs for Tuesday, Nov. 18, 2025:

  • FMCSA proposes data collection from 60 carriers to analyze hours of service, crash risk.
  • Another bill would codify limits on CDLs for non-citizens.
  • Daimler issues a big recall for axle-related issues. Eight different Freightliner, Western Star models impacted.

FMCSA to launch study impact of truckers’ hours on crash risk

The Federal Motor Carrier Safety Administration, in a Federal Register notice published Monday, announced it will take a closer look at “driver schedules and how these factors impact overall driver performance and fatigue.”

The new study stems from the 2011 hours-of-service final rule, in which FMCSA said it is committed to analyzing several factors of the rule. 

In its notice published Monday, FMCSA said it “needs additional data to answer important questions” to “examine the relative risk of crashes and inspection violations based on various factors related to the driver’s work schedule and demographics.” The research will also look at:

  • The relative crash risk by driving hour
  • The impact of the changes made in the 2011 HOS rule, including limiting the use of the 34-hour restart provision to once every 168 hours and to require that anyone using the 34-hour restart provision have as part of the restart two periods that include 1 a.m. to 5 a.m.
  • Differences in crash risk after 34-hour restarts that include two nights and those that do not

Research will follow a collection of data on HOS, accidents and violations found during inspections. HOS data, as well as incident and crash data, will be obtained as part of the study through an integration with a carrier’s telematics system provider, and other driver demographic information will be provided directly by participating carriers. Records of DOT-recordable crashes and violation records will be obtained through the Motor Carrier Management Information System (MCMIS) database.

[Related: Large truck fatal crashes: FMCSA to study contributing factors]

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A third-party contractor, Pulsar Informatics, will develop a publicly available dataset (stripped of personally identifying information) to be housed in the FMCSA Data Repository. Other methods of protecting privacy will be utilized as needed, FMCSA noted.

“Currently, there is no comprehensive, existing data set that can be used for this project,” FMCSA said. “Not collecting this data would result in an incomplete understanding of HOS-related factors that impact crash risk and the impact of alternative schedules as they relate to various aspects of HOS provisions on crash risk in CMV operations.”

As part of the research, FMCSA plans to survey 60 motor carriers to obtain the data. The agency estimates responses from carriers will take just 15 minutes each.

FMCSA will accept comments on the proposed information collection request for 60 days through Jan. 16 about whether the proposed collection is necessary for the performance of FMCSA's functions; the accuracy of the estimated burden; ways for FMCSA to enhance the quality, usefulness, and clarity of the collected information; and ways that the burden could be minimized without reducing the quality of the collected information. Comments can be filed here.

This proposal follows the agency's proposal of two pilot programs aimed at testing potential flexibility enhancements in the hours of service: Expansion of split-sleeper period options and a split-duty pause approach to the 14-hour clock. The comment period for those proposals recently closed.

Many among Overdrive's readers have long advocated for more options under hours of service, particularly in the wake of adoption of the 14-hour daily on-duty window for driving, in place now for more than 20 years and with limited options for pausing/splitting.

FMCSA announced the pilot program proposals during this year's September National Truck Driver Appreciation Week.

[Related: FMCSA offers details on proposed HOS-flexibility pilot programs]

House bill looks to bar CDL issuance to ‘illegal immigrants’

U.S. Rep. Jeff Van Drew (R-New Jersey) recently introduced the “No CDLs for Illegals Act.” The bill would expand requirements for individuals to obtain a CDL. In addition to the requirement to pass written and driving tests, CDL applicants under terms of the legislation must:

  • Present valid documentation proving citizenship status, lawful permanent resident status, or a valid work authorization
  • Present valid documentation of domicile in the state in which the CDL is issued

Additionally, for states, the bill would:

  • Prohibit a state from issuing a CDL to an individual who is not domiciled in that state
  • Require states to use the SAVE system, used by government agencies to verify immigration status and U.S. citizenship of applicants, for any non-citizen applicant for a CDL and deny any applicant if the SAVE system does not confirm lawful presence of the applicant

The legislation also includes provisions to allow the DOT Secretary to suspend funding for states that issue CDLs in violation of the terms of the bill.

Finally, the bill would require that the DOT issue a rulemaking “to set fines for trucking companies that knowingly employ drivers that do not hold a valid” CDL.

Van Drew’s legislation is the latest in a string of bills related to non-domiciled CDLs and English language proficiency for truck drivers. Similar legislation -- the Non-Domiciled CDL Integrity Act introduced by Rep. David Rouzer (R-North Carolina) -- would codify standards for how states issue CDLs to foreign nationals.

[Related: FMCSA's non-domiciled CDL rule in limbo after court grants emergency stay motion]

18K Freightliner, Western Star trucks recalled for potential axle issue

Daimler Trucks North America is recalling more than 18,000 Freightliner and Western Star trucks in which the axle clamp fasteners may be loose due to improper installation, which can result in a loss of vehicle control.

According to National Highway Traffic Safety Administration documents, the recall affects approximately 18,700 total units among the following models:

  • 2020-‘26 Western Star 49X,
  • 2020-‘26 Freightliner Business Class M2
  • 2020-‘26 Freightliner 114SD
  • 2020-‘26 Freightliner 108SD
  • 2021-‘26 Western Star 47X
  • 2021-‘23 Freightliner 122SD
  • 2022 Western Star 48X
  • 2023 Western Star 4700

The remedy to repair the issue is currently under development. Owner notification letters are expected to be mailed Jan. 3. Owners can contact DTNA customer service at 1-800-547-0712 with recall number F1027. NHTSA’s recall number is 25V-760.

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