How Trucker Hours-of-Service Violations Strengthen Your 18-Wheeler Crash Case

• June 13, 2026
• Truck Accidents

Federal hours-of-service regulations exist to mitigate the clear danger posed by fatigued operators on the road. When an 18-wheeler crash in Texas involves a violation of these service mandates, the litigation shifts from analyzing a momentary driving error to examining a systemic pattern of negligence permitted by the trucking company. 

Compliance with Federal Motor Carrier Safety Administration (FMCSA) rules, the retrieval and analysis of Electronic Logging Device (ELD) data, and the application of Texas law regarding liability for regulatory non-compliance form the foundation for holding commercial carriers accountable for serious collisions.

How Do Hours-of-Service Violations Affect a Texas 18-Wheeler Crash Case?

HOS violations turn a Texas 18-wheeler case into documented proof a federal safety rule was broken:
– Federal law caps driving at 11 hours and on-duty time at 14 hours per shift
– ELDs record every minute the truck moved, and juries see the printout
– A proven violation can support negligence per se and shortcut the fault fight
– The trucking company, not just the driver, is often on the hook for pushing the schedule
– ELD supporting data can be gone in six months, so preservation moves fast
– Every case is different. A lawyer can read the log and tell you what it actually shows.

Key Takeaways About HOS Violations in Texas Truck Crash Cases

• FMCSA hours-of-service rules limit how long a property-carrying driver can be on duty and behind the wheel, and every large commercial vehicle in interstate commerce is covered.
• Since the federal ELD mandate, most commercial trucks record duty status electronically, which makes fatigue-related HOS violations easier to document than in the old paper-log era.
• Texas courts often allow HOS violations to support a negligence per se theory, which can simplify how fault is presented to a jury.
• Trucking companies, not just drivers, may share responsibility when dispatch pressure, unrealistic schedules, or ignored logs push a driver past legal limits.
• The statute of limitations for most Texas truck crash claims is two years, and critical ELD and dispatch data can be lost or overwritten quickly.

Key Statistics About Truck Driver Fatigue and HOS Enforcement

The federal data on truck crashes helps explain why HOS rules exist and why juries take them seriously.

• The FMCSA’s annual Large Truck and Bus Crash Facts report tracks fatal, injury, and property-damage crashes across the commercial vehicle industry.
• The Large Truck Crash Causation Study identified driver fatigue as a factor in about 13 percent of serious commercial motor vehicle crashes. Our companion piece on truck driver fatigue in Texas looks closer at how exhaustion turns into a crash.
• The 2024 Pocket Guide to Large Truck and Bus Statistics documents ongoing HOS violations as one of the leading categories of driver out-of-service orders during roadside inspections.
• Texas consistently ranks among the states with the highest number of fatal large-truck crashes, driven by heavy freight corridors along I-10, I-20, I-35, and I-45.

These numbers matter in an 18-wheeler crash case because HOS violations are rarely random. They tend to correlate with specific companies, specific routes, and specific dispatch practices.

What Are Federal Hours-of-Service Rules for Truck Drivers?

Hours-of-service rules are the federal limits on how long a commercial driver can be on duty and behind the wheel. They live in 49 CFR Part 395 and apply to nearly every 18-wheeler operating in interstate commerce. The purpose is straightforward: cap fatigue before it kills.

Texas trucks operating purely within the state are covered by Texas Department of Public Safety rules that closely mirror the federal HOS structure. Either way, a driver who exceeds the limit is operating in violation of the safety rules built to prevent the crash.

Which HOS Limits Apply to a Property-Carrying 18-Wheeler Driver?

The core federal HOS rules under 49 CFR 395.3 set specific ceilings on driving and on-duty time.

The 11-Hour Driving Limit

A property-carrying driver may drive a maximum of 11 hours after 10 consecutive hours off duty. Once the 11-hour limit is reached, the driver must stop. Exceeding this limit is one of the most common HOS violations in Texas crash files.

The 14-Hour On-Duty Window

A driver may not drive after the 14th consecutive hour of coming on duty, following 10 hours off. That 14-hour window includes non-driving time such as loading, fueling, and paperwork. Long unload waits do not stop the clock, which pressures drivers to keep moving.

The 30-Minute Break Requirement

After 8 cumulative hours of driving time without at least a 30-minute interruption, the driver must take a 30-minute break. Skipping this break often signals a schedule that never allowed a genuine pause.

The 60/70-Hour Weekly Limits

Drivers may not operate after 60 hours on duty in 7 consecutive days, or 70 hours in 8 consecutive days, depending on the carrier’s schedule. A 34-hour off-duty restart resets the weekly count.

Sleeper Berth Provisions

Sleeper berth rules allow drivers to split their required off-duty time in specific configurations. Misused sleeper berth entries are a frequent target of forensic log review after a crash.

How Does ELD Data Become Evidence After a Texas 18-Wheeler Crash?

Electronic Logging Devices record duty status automatically based on engine and vehicle motion data. Since the federal ELD mandate took full effect, most interstate commercial trucks in Texas produce a digital audit trail that is far harder to fake than a paper log.

What an ELD Actually Records

ELDs capture engine hours, vehicle miles, movement, and duty status changes. They also record location data at regular intervals. That data, combined with the driver’s log entries, produces a minute-by-minute picture of the trip leading up to the crash.

Cross-Referencing Records That Often Expose Violations

ELD data rarely sits alone. Lawyers investigating a Texas truck crash typically pull fuel receipts, toll transponder records, weigh station logs, dispatch communications, delivery bills of lading, and cell phone records. When those independent records show the driver in one place at a time the log claims otherwise, the falsification often becomes obvious.

Common Signs of Log Tampering

Suspicious duty status changes at exact minute marks, missing edits, unexplained “personal conveyance” entries, and gaps between engine-on events and log start times are all patterns that experienced truck crash lawyers look for early in a case.

Why HOS Violations Matter Under Texas Law

An HOS violation is not just a paperwork problem. Under Texas law, it can shape how fault is proven at trial.

Texas recognizes negligence per se when a defendant violates a statute designed to protect a particular class of people from the type of harm suffered. Federal HOS rules exist specifically to prevent fatigue-related truck crashes. When a violation shows up in the ELD data, plaintiffs often argue that the trucking industry’s own safety rules already answer the reasonableness question.

Robert Crain has often described what these cases actually look like. “Oftentimes with catastrophic injuries, it’s not one mistake. It’s always multiple mistakes.” An HOS violation is usually one of several mistakes that stacked up before the crash, and the paper trail helps a jury see the pattern.

Key Laws and Deadlines for Texas 18-Wheeler Crash Cases

Truck crash claims in Texas run on strict deadlines, and truck-specific evidence disappears faster than most families expect.

Most personal injury claims after a Texas truck crash must be filed within two years under Texas Civil Practice and Remedies Code Section 16.003. ELD data retention rules under 49 CFR 395.22 require carriers to keep supporting documents for six months, though many are lost or overwritten sooner. A spoliation letter sent promptly after a crash often preserves records that would otherwise be gone.

Texas also uses proportionate responsibility. A crash victim who is less than 51 percent at fault may still recover, though any award is reduced by their share of blame. Trucking defense lawyers frequently try to shift blame onto other drivers, and HOS evidence often pushes back against that argument.

What Accountability May Look Like After a Fatigue-Related Truck Crash

Families in serious Texas truck crash cases usually want more than a settlement figure. They want the freight company and its insurer to answer for the choices that led to the crash. A Texas 18-wheeler claim built on HOS violations can address a wide range of losses, and it can also force company-level changes that outlast the case.

HOS Rule	Federal Limit	Records That Often Show a Violation
11-hour driving limit	11 hours after 10 off	ELD driving totals, GPS, fuel receipts
14-hour on-duty window	14 consecutive hours	ELD duty status, dispatch logs, delivery times
30-minute break	Required after 8 hours driving	ELD status changes, weigh station records
60/70-hour weekly limit	60 in 7 days / 70 in 8 days	Multi-week ELD data, bills of lading
Sleeper berth split	Specific configurations only	ELD sleeper entries, engine-on events

The table helps explain why one page of driver logs rarely tells the full story of a Texas 18-wheeler case.

When Should You Talk to a Lawyer About a Texas Truck Crash?

Serious 18-wheeler crashes tend to reward early legal involvement, mainly because the most valuable evidence is the most fragile. A conversation typically makes sense when:

• Someone was seriously hurt or killed in the crash
• The truck involved was a semi, tanker, flatbed, or other large commercial vehicle
• The crash happened on a Texas freight corridor such as I-10, I-20, I-35, or I-45
• The truck driver appeared fatigued, hit-and-run, or was cited by DPS
• The trucking company’s insurer has already contacted the family
• More than one vehicle or company may have contributed to the crash

Talking to a lawyer within days rather than weeks typically allows time to send preservation letters for ELD data, dashcam footage, and driver qualification files before they disappear.

What Families Often Find Helpful After a Texas 18-Wheeler Crash

The days after a truck crash tend to move fast. A few small steps often protect a family’s options without adding pressure to anyone still recovering.

Many families find it helpful to keep the crash report, hospital records, and any DPS or FMCSA correspondence in a single folder. Photographs of the scene, the vehicles, and the truck’s DOT number often become important weeks later. A short daily note tracking pain, missed work, and canceled plans typically supports a claim more than memory alone.

Social media can quietly damage a truck crash claim. Many families find it helpful to pause public posts about the crash, injuries, or the driver until an attorney has reviewed the file.

Ask Crain Brogdon: HOS and 18-Wheeler Crash Questions

How quickly can a trucking company delete ELD data after a Texas crash?

ELD supporting documents are only required to be kept for six months, and some carriers rotate or overwrite older data much sooner. A prompt legal spoliation letter often forces preservation before critical records are lost.

Does an HOS violation automatically mean the trucker was at fault?

Not automatically, but in many Texas cases it supports a negligence per se argument. Fault still depends on how the violation relates to the actual cause of the crash, which is why cross-referencing ELD data with other records matters.

Can the trucking company be responsible for pushing the driver past the HOS limit?

In many cases, yes. Dispatch communications, delivery windows, and pay structures that reward fast turnarounds can support claims against the carrier itself, not just the driver.

What if the truck driver was an independent contractor and not an employee?

The classification is often disputed. Federal safety regulations and Texas agency principles frequently allow claims against the motor carrier even when the driver is labeled as an independent contractor.

Texas 18-Wheeler Crash Questions Answered by Attorneys

How is a Texas 18-wheeler crash case different from a regular car accident case?

Truck cases involve federal safety rules, multi-layered insurance, and corporate defendants who typically respond within hours of a crash. Evidence such as ELD data, dashcam footage, and driver qualification files must be preserved quickly. Sorting through those layers is often why families look for a firm that regularly handles catastrophic truck cases.

Who else besides the driver may be responsible after an 18-wheeler crash?

Many parties may share responsibility, including the motor carrier, the truck’s owner, the maintenance shop, cargo loaders, trailer owners, and in some cases manufacturers of the truck or its components. Texas law allows claims against several defendants at once when the facts support it.

What if a family member was killed in a Texas truck crash?

Texas allows surviving spouses, children, and parents to bring a wrongful death claim, and the estate may bring a related survival claim. Truck cases involving fatalities often carry significantly more evidence work, since HOS records, dispatch communications, and driver history can all become central.

Should I speak with the truck company’s insurance adjuster before hiring a lawyer?

Usually not. Truck insurers often deploy their own investigators within hours of a crash. Early statements from injured drivers and family members are frequently used later to argue about fault. Talking to a lawyer first typically protects the case without shutting down cooperation later.

What a Clean Log Cannot Hide

An 18-wheeler crash rarely happens in a single instant. It happens at the end of a schedule, a route, and a set of choices made long before the truck reached the highway. Reading the hours-of-service record is often how a family finally sees the pattern that ended their week.

Crain Brogdon, LLP offers free consultations, works on a contingency fee basis, and takes on Texas truck crash cases that demand full-scale investigation. Our Dallas 18-wheeler accident attorneys regularly pull ELD data and dispatch records early, and our team handles truck accident claims across Texas.

Readers who want more background on driver exhaustion can also review our companion piece on how fatigue connects to HOS violations. To speak directly with an attorney about a Texas 18-wheeler crash, call (214) 522-9404.

Attorney Quentin Brogdon

Quentin Brogdon has over thirty years of experience and expertise in the field of personal injury trial law. He is board certified in both personal injury trial law and civil trial advocacy. Quentin has received an AV rating from Martindale-Hubbell, the highest possible rating. This rating reflects an attorney’s ethics and abilities according to reviews from fellow attorneys. [ Attorney Bio ]