One incident, three investigations: Implications of converging safety enforcement for transportation employers

For transportation and logistics employers in 2026, worker safety, compliance, and enforcement oversight may involve more than one regulator and extend beyond a single point in time. In practice, this can mean a single incident gives rise to parallel investigations under overlapping federal and state regulatory frameworks, each examining different aspects of the same underlying facts. In the course of those investigations, the post-incident record – which could include, for example, written safety programs, training materials and attendance records, supervisory practices, and injury and illness data – may be reviewed by each agency to determine whether safety controls operated as designed, or whether “work as performed” diverged from “work as written” in a manner that made an event foreseeable and preventable.

For carriers, shippers, brokers, and third-party logistics providers, this new regulatory environment means that decisions made well before a driver gets behind the wheel – for example, hiring, onboarding, training, scheduling, carrier selection, and frontline supervision – constitute safety evidence that now will be reviewed simultaneously by multiple regulators. Companies in which transportation safety is confined to a single department may find, after an incident or inspection, that the root cause traces to an upstream hiring, training, or procurement decision that, at the time, was not recognized as safety-critical.

Also shaping this environment are recent changes to how the Occupational Safety and Health Administration (OSHA) evaluates workplace safety following reported incidents, reported increases in roadside inspection activity by the Federal Motor Carrier Safety Administration (FMCSA) and its state partners, and upward trends in whistleblower and anti-retaliation reports to OSHA.

This alert summarizes the convergence of present enforcement dynamics and highlights steps transportation and logistics employers can take to reduce risk.

FMCSA enforcement and workforce-related safety controls

FMCSA and its state partners conducted more than 3.1 million roadside inspections in 2025 – a steady increase from the pandemic-era low of approximately 2.6 million in 2020 – and more than 23.5 percent of trucks inspected were ordered out of service (OOS) pending correction of identified violations. Driver OOS rates have risen in parallel. Additionally, the reinstatement of English language proficiency (49 C.F.R. § 391.11(b)(2)) as an OOS condition, layered on top of existing hours-of-service, medical qualification, and hazardous materials enforcement, widens the range of violations that can ground a driver and disrupt operations.

For carriers, an OOS order can trigger operational disruptions – including delivery delays, missed service-level commitments, and downstream scheduling failures – alongside direct and indirect costs such as towing, substitute drivers, and rebooking loads. These consequences may extend beyond the carrier itself, as shippers and third-party logistics providers commonly treat safety scores and OOS rates as threshold criteria in carrier selection, positioning safety performance as both a commercial differentiator and a compliance obligation.

However, in some cases, compliance with these standards may be siloed within a carrier’s fleet or safety department, and carrier oversight may be treated as a procurement function by shippers and brokers. In practice, exposure for these parties can originate before a driver gets behind the wheel. The enforcement trends described above – OOS orders tied to English language proficiency, rising inspection volumes, and Safety Measurement System-driven carrier vetting – implicate decisions made across multiple functions. These may include:

• How companies recruit and screen drivers
  
  
• Whether onboarding and training programs verify regulatory readiness, including electronic logging device (ELD) proficiency and hours-of-service literacy 
  
  
• How shippers and brokers select and monitor carriers
  
  
• Whether frontline supervisors can identify and escalate compliance gaps in real time

OSHA's evolving enforcement posture

Under federal law, employers have a general duty to keep workplaces “free from recognized hazards” that are likely to cause death or serious physical harm (29 U.S.C. § 654(a)(1)). OSHA’s rulemaking and evolving inspection and enforcement activities continue to shape how that duty is addressed, with particular relevance for transportation and logistics employers.

Through rulemaking, OSHA continues to translate general safety duties into specific and documented requirements, including written plans, training protocols, and recordkeeping, against which inspectors assess compliance. These documentation requirements can compound quickly for operations that span warehouses, terminals, yards, and over-the-road environments. Illustrative of this trajectory is OSHA’s proposed “Heat Injury and Illness Prevention in Outdoor and Indoor Work Settings” rule, discussed in our recent client alert. If finalized, the rule would require employers to implement written heat-safety plans, provide training, and maintain documentation of heat-related controls. Heat exposure presents a material risk in the transportation sector given sustained work at terminals, yards, loading docks, and in trailer and cab environments where ventilation may be limited.

Alongside these rulemaking efforts, OSHA has revised its enforcement methodology across inspection targets, evidentiary records, and post-incident evaluation of employer conduct. 

• Inspection targeting and prioritization. In April 2025, OSHA issued Directive CPL 02-01-067, revising the methodology for selecting worksites for planned inspections. Under the updated Site-Specific Targeting program, OSHA relies on employer-reported injury and illness data, including Days Away, Restricted, or Transferred rates, to identify and prioritize inspection targets. OSHA’s May 2025 inspection program reinforced this approach, signaling that inspection-readiness is an ongoing operational discipline rather than a periodic exercise.
  
  
• Penalty framework. In July 2025, OSHA updated its Field Operations Manual to expand penalty reductions for small businesses and prompt abatement. While such reductions affect penalty calculations, employers may still face separate legal, operational, or injury-related exposure. 
  
  
• Data-driven surveillance. OSHA increasingly relies on employer-submitted injury and illness records as an independent basis for inspection decisions. Employers are required to maintain logs of workplace injuries and illnesses (29 C.F.R. § 1904.29), and many must electronically submit summary data to OSHA (29 C.F.R. § 1904.41). In April 2025, OSHA published 2024 data collected through its Injury Tracking Application, covering 370,000 Form 300A reports, which allows individual establishment outcomes to be identified and compared across industry peers. Separately, OSHA's severe incident reporting rule (29 C.F.R. § 1904.39) requires employers to report fatalities and certain serious injuries within compressed timelines, creating an early and independent trigger for agency involvement. 

Transportation‑specific exposure and operational context

For transportation and logistics employers, modern enforcement dynamics may carry particular significance. The industry's historically elevated injury rates can increase visibility under data-driven inspection targeting, while the commonly multi-site, high-turnover, and operationally dispersed nature of transportation operations can make maintaining inspection-readiness a coordination challenge beyond any single safety function. The collateral consequences associated with a serious incident – including civil litigation, contractual exposure, operational disruption, shipper and broker deselection, and adverse publicity – can, in some circumstances, exceed any regulatory penalty. Where fatalities or severe injuries occur on public roadways or at third-party facilities, mandatory reporting obligations can activate OSHA, FMCSA, and state-level investigations. In this context, gaps between “work as performed” (e.g., staffing levels, scheduling practices, production targets, and dispatch pressures) and “work as written” (e.g., documented policies and procedures) have become increasingly central to OSHA enforcement analyses, and transportation operations present settings where such gaps may arise.

For transportation employers, environment, health, and safety (EHS) documentation that once functioned primarily as compliance support – such as training matrices, safety manuals, job hazard analyses, heat-safety plans, and contractor policies – may be reviewed as substantive evidence in enforcement actions. Where programs are generic, outdated, or misaligned with operational realities such as dispatch constraints, detention pressures, or staffing limitations, regulators may characterize those gaps as indicators that risks were foreseeable and inadequately controlled.

Employment decisions as safety evidence

Regulators may treat employment practices – including onboarding, scheduling, discipline, and internal complaints – as indicators of a company’s safety culture and compliance. In the transportation and logistics sector, where high turnover, seasonal hiring surges, and reliance on independent contractors and temporary staffing arrangements are common, these practices can carry material regulatory significance. In fiscal year 2023, OSHA received 3,243 whistleblower retaliation complaints, representing a near 15-percent increase from the prior year. The breadth of federal and state safety regimes under which employees may raise protected complaints further expands potential exposure for employers in this space.

Following an incident, investigators examine a range of fact specific questions, including whether:

• Employees were pressured to work under unsafe conditions
  
  
• Safety complaints were addressed promptly and consistently 
  
  
• Accommodation requests were evaluated 
  
  
• Disciplinary practices may have discouraged injury or hazard reporting

These questions can implicate fatigue management and OOS requirements, heat exposure during outdoor yard work and loading operations, and United States Department of Transportation drug and alcohol testing programs (49 C.F.R. § 40 and 49 C.F.R. § 382). Dispatch and detention practices, seasonal volume fluctuations, and multi-site operations could create recurring tension between productivity objectives and safety compliance. Where a driver or dock worker raises a concern and is subsequently disciplined or terminated, regulators may reconstruct the timeline using dispatch logs, ELD data, human resources (HR) records, and supervisory communications to assess whether the action was based on a legitimate business reason or constituted impermissible retaliation.

Practical considerations for transportation employers

As OSHA, FMCSA, and employment regulators increasingly evaluate the same underlying facts from different enforcement angles, employers are encouraged to consider this interplay in their compliance decisions and post-incident responses. In some circumstances, actions taken to address one requirement can raise issues under another. One example is the reinstatement of English language proficiency as an OOS condition, which may prompt carriers to reassess screening practices, while blanket “English-only” policies that go beyond federal safety requirements could raise concerns under Title VII, Equal Employment Opportunity Commission guidance, and state laws such as California's Fair Employment and Housing Act.

A common thread across these enforcement trends is that safety, HR, operational, procurement, and legal considerations often intersect. In this context, employers may consider: 

• Assessing the alignment between safety programs and actual operational conditions: Compare written policies to frontline conditions and adjust controls at predictable pressure points, such as peak-season surges, driver shortages, and high-detention lanes.
  
  
• Ensuring alignment of HR policies with safety goals: Review attendance, discipline, and productivity metrics to ensure they do not inadvertently incentivize unsafe behavior or discourage reporting.
  
  
• Conducting focused audits: Evaluate whether documentation, training, and supervision would hold up under a regulator's reconstruction of a specific incident or a pattern-based investigation.
  
  
• Developing integrated crisis response and incident-response playbooks: Coordinate post-incident workstreams to ensure each step is consistent, defensible, and non-retaliatory (e.g., evidence preservation, hazard control, regulatory reporting, EHS program assessment and focused recalibration, workforce communications, and employment actions).
  
  
• Developing tailored compliance programs: Design transportation specific EHS and fatigue management programs that reflect dispatch, detention, and seasonal volume realities.
  
  
• Conducting scenario-based tabletop exercises: Facilitate incident response tabletop exercises involving safety, HR, operations, and legal teams to prepare for potential incidents and multi-agency investigations before they occur.

DLA Piper’s multi-disciplinary teams have deep experience advising on EHS, transportation, and employment matters. For additional information, please contact one of the authors.