A collision with a tractor-trailer is not just a bigger version of a car accident. The physics are different, the defendants are different, the insurance policies are different, and the evidence is different. A loaded semi can weigh 80,000 pounds, roughly twenty times the weight of a passenger car, so the injuries tend to be severe and the damages substantial. Beyond the physics, truck accident claims sit at the intersection of two legal systems: a dense body of federal safety regulation governing interstate trucking, and Massachusetts law governing fault, deadlines, no-fault benefits, and damages. This article explains how the two layers fit together and what actually decides these cases.
Why a Truck Case Is Not a Car Case
Three features separate truck litigation from an ordinary auto claim. First, commercial motor carriers operate under the Federal Motor Carrier Safety Regulations (FMCSRs), a detailed rulebook covering how long drivers may work, how they are hired and trained, how trucks are maintained, and how much insurance the carrier must buy. A violation of these rules is often the backbone of a negligence case. Second, responsibility rarely stops with the driver. The motor carrier, the freight broker, the shipper, and the maintenance contractor may all share fault. Third, the evidence is largely electronic and it is held by the defense. Electronic logging devices, engine control modules, and driver qualification files can prove exactly what happened, but only if they are preserved before routine retention periods run out.
Massachusetts sees heavy commercial traffic on its interstate corridors: I-90 (the Massachusetts Turnpike) carries freight east-west across the state, I-495 rings the outer Boston metro area past major distribution hubs, and I-93 funnels truck traffic north-south through Boston. Serious truck collisions cluster on these routes and the arterials that feed them.
The Federal Safety Rules That Create Liability
The FMCSRs, administered by the Federal Motor Carrier Safety Administration (FMCSA), apply to most trucks operating in interstate commerce. Several rule sets come up in nearly every case:
- Hours of service (49 CFR Part 395). A property-carrying driver may drive a maximum of 11 hours after 10 consecutive hours off duty, may not drive beyond a 14-hour on-duty window, must take a 30-minute break after 8 cumulative hours of driving, and may not exceed 60 hours on duty in 7 days or 70 hours in 8 days. Fatigue violations recur in serious crashes.
- Electronic logging devices. Most commercial drivers must record their hours electronically through an ELD that connects to the truck’s engine. The device logs driving time and location automatically, which makes falsifying logbooks far harder than in the paper era.
- Commercial driver’s licenses (49 CFR Part 383). Operating a heavy truck requires a CDL with the proper class and endorsements. A carrier that puts an unqualified or disqualified driver behind the wheel faces direct liability for negligent hiring.
- Drug and alcohol testing (49 CFR Part 382). Carriers must test drivers pre-employment, randomly, after certain crashes, and on reasonable suspicion.
- Driver qualification files (49 CFR Part 391). Carriers must maintain a file on each driver containing the employment application, driving record checks, road test or CDL equivalent, and medical certification.
These rules define the standard of care. When a carrier lets a driver run past the 11-hour limit, skips a required drug test, or ignores a pattern of violations on a driver’s record, that regulatory failure becomes powerful evidence of negligence.
Who Can Be Liable: The Five Usual Defendants
Identifying every responsible party is one of the main tasks in a truck case, both because fault may genuinely be shared and because each defendant brings its own insurance to the table.
- The driver. Speeding, following too closely, distracted or fatigued driving, and improper lane changes are the standard theories. The driver is almost always named.
- The motor carrier. Under respondeat superior, an employer is liable for an employee’s negligence committed within the scope of employment. Massachusetts recognizes this vicarious liability, so the carrier answers for its driver’s conduct. Carriers also face direct claims for negligent hiring, retention, supervision, and training, and for pressuring drivers to violate hours-of-service limits.
- The freight broker. Brokers arrange loads between shippers and carriers. Claims against brokers typically allege negligent selection: hiring a carrier with a poor safety rating or a history of violations. This is a developing and contested area of law, and courts have divided on whether federal law preempts such claims.
- The shipper or loader. Improperly loaded or secured cargo can shift in transit and cause rollovers and jackknifes. The party that loaded and secured the freight may bear responsibility.
- The maintenance contractor. Brake failures, tire blowouts, and lighting defects often trace back to skipped inspections or negligent repair work by an outside shop. Federal rules require systematic inspection, repair, and maintenance records, which makes these failures provable.
In some cases a truck or component manufacturer is added on a product liability theory.
Massachusetts Rules That Shape the Claim
Comparative negligence and the 51 percent bar
Massachusetts follows modified comparative negligence under G.L. c. 231, § 85. A plaintiff can recover as long as their own negligence “was not greater than the total amount of negligence attributable to” the defendants. In practice, a plaintiff who is 50 percent at fault can still recover, reduced by that percentage; a plaintiff found 51 percent or more at fault recovers nothing. Trucking defendants use this rule aggressively, arguing that the injured driver was speeding, lingering in a blind spot, or cutting in front of the truck. Because the plaintiff’s percentage of fault is measured against the combined negligence of all defendants, naming every responsible party can directly affect whether the claim survives.
The three-year statute of limitations
Under G.L. c. 260, § 2A, tort actions must be filed within three years after the cause of action accrues. Wrongful death claims carry their own three-year period under G.L. c. 229, § 2. Claims involving public entities, minors, or late-discovered injuries follow different timing rules. For a fuller treatment of filing deadlines, see our guide to the Massachusetts statute of limitations. In truck cases the practical deadline is much earlier than the legal one, because the electronic evidence discussed below can disappear within months.
PIP benefits and the tort threshold
Massachusetts is a no-fault state for motor vehicle injuries. If you were driving or riding in a registered Massachusetts passenger vehicle when the truck hit you, your own policy’s personal injury protection (PIP) coverage pays first. Under G.L. c. 90, §§ 34A and 34M, PIP provides at least $8,000 per person for reasonable medical expenses, 75 percent of lost wages, and replacement services, regardless of fault. Health insurance coordination rules typically apply after the first $2,000 of medical bills.
No-fault comes with a gatekeeping rule. Under G.L. c. 231, § 6D, a person injured in a motor vehicle collision may recover damages for pain and suffering only if reasonable and necessary medical expenses exceed $2,000, or if the injury causes death, consists in whole or in part of a fracture, involves loss of a body member, permanent and serious disfigurement, or specified loss of sight or hearing. Most truck collision injuries clear this threshold easily, but it still matters in lower-speed impacts. The general framework is the same one that governs ordinary Massachusetts car accident claims; the difference is that in truck cases the threshold is rarely the fight.
The Insurance Reality: Minimum Coverage Tiers
Federal law requires interstate motor carriers to maintain far more liability coverage than passenger vehicles carry. Under 49 CFR § 387.9, the minimum levels of financial responsibility for trucks over 10,001 pounds are:
| Cargo type | Federal minimum coverage |
|---|---|
| Non-hazardous freight (for-hire, interstate) | $750,000 |
| Oil and certain hazardous materials | $1,000,000 |
| Certain hazardous substances transported in bulk | $5,000,000 |
These are floors, not ceilings. Many national carriers layer excess policies well above the minimums, while some small operators carry only the required $750,000. The MCS-90 endorsement, required under federal law, is worth knowing about in brief: it is a surety-like attachment to the carrier’s policy that guarantees a source of recovery to the public even when the policy itself might not otherwise cover the particular truck or trip. It exists to protect injured members of the public, not the carrier, and it can matter when a carrier’s insurer tries to deny coverage on policy-based grounds.
The larger coverage also explains why truck claims are defended harder than car claims. With that much at stake, carriers and their insurers frequently dispatch rapid-response teams, sometimes to the crash scene itself, within hours.
The Evidence That Decides These Cases
Truck cases are won and lost on records that the defense controls. The key categories:
- ELD data and driver logs. The electronic log shows driving time, duty status, and location history, and can establish an hours-of-service violation to the minute. Federal rules require carriers to retain records of duty status and supporting documents for only six months, so this data has a short natural lifespan.
- Engine control module (“black box”) data. Modern trucks record speed, throttle, braking, and fault codes around a triggering event. If the truck is repaired or scrapped, the data can be lost.
- Driver qualification file. The hiring application, prior employer checks, driving record, medical certificate, and any disciplinary history can show whether the carrier should ever have put this driver on the road.
- Inspection and maintenance records. Daily vehicle inspection reports and repair histories reveal whether known defects went unaddressed.
- Dispatch and communication records. Text messages, dispatch notes, and load documents can show schedule pressure or knowledge of a problem.
- Dashcam and third-party video. Many fleets run forward-facing and driver-facing cameras, and highway and business cameras may have captured the collision. Retention windows for video are often measured in days.
Because so much of this evidence sits in the defendant’s hands with short retention periods, one of the first steps in a serious truck case is a spoliation letter (also called a preservation or litigation hold letter). It formally notifies the carrier, its insurer, and any broker or maintenance vendor to preserve specific categories of evidence. If a party destroys evidence after receiving such notice, Massachusetts courts can impose sanctions, including instructing the jury that it may draw an inference against the party that destroyed it.
Common Truck Crash Types
Certain collision patterns recur, and each points toward particular theories of fault. Underride crashes, where a car slides beneath a trailer, raise questions about underride guards and trailer lighting. Jackknife crashes, where the trailer swings around the cab, typically involve braking technique, speed for conditions, or brake maintenance. Blind spot (or “no-zone”) collisions occur along the truck’s flanks and directly behind it, where the driver cannot see smaller vehicles. Rollover and lost-load crashes frequently trace to cargo loading and securement. On congested corridors such as I-93 through Boston and the I-90/I-495 interchange area, sudden slowdowns also produce rear-end collisions in which the truck’s much longer stopping distance becomes the central issue.
Damages in Massachusetts Truck Cases
A Massachusetts plaintiff who clears the tort threshold may recover the full range of compensatory damages: past and future medical expenses, lost earnings and diminished earning capacity, pain and suffering, scarring and disfigurement, and loss of consortium for a spouse. Massachusetts places no statutory cap on compensatory damages in ordinary personal injury cases. (The state’s damage caps apply in other contexts, such as claims against charitable organizations and public employers, not to claims against commercial trucking defendants.) In wrongful death cases, G.L. c. 229, § 2 allows recovery for the decedent’s lost income and companionship, and permits punitive damages of at least $5,000 where the death resulted from malicious, willful, wanton, reckless, or grossly negligent conduct. Punitive damages are otherwise generally unavailable in Massachusetts negligence cases.
What to Do After a Truck Crash
- Get medical care and call police. A police response creates an official crash report and documents the scene while the vehicles are still in place.
- Photograph everything you safely can. Vehicle positions, the truck’s USDOT and MC numbers on the cab door, the trailer and any placards, skid marks, debris, and road conditions.
- Collect identities. The driver’s name and CDL information, the carrier’s name, and the names and contact information of witnesses.
- File your operator’s crash report. Massachusetts law (G.L. c. 90, § 26) requires drivers to file a Motor Vehicle Crash Operator Report with the RMV within five days if the crash caused injury, death, or property damage over $1,000. Police reports come from the responding department or, for state highways, the State Police.
- Notify your own insurer to open the PIP claim, and be cautious about giving recorded statements to the trucking company’s insurer.
- Act quickly on preservation. Given the six-month log retention rule and short video retention windows, a preservation letter should go out as early as possible.
Frequently Asked Questions
What is the statute of limitations for a truck accident in Massachusetts?
Three years from the date the cause of action accrues, under G.L. c. 260, § 2A. Wrongful death claims also carry a three-year period under G.L. c. 229, § 2. Shorter notice deadlines can apply to governmental defendants, and different rules apply to minors, so the safe course is to confirm the deadline for your specific facts early.
Who can I sue after a truck crash?
Potential defendants include the driver, the motor carrier (both vicariously for the driver’s negligence and directly for negligent hiring, training, or supervision), the freight broker that selected the carrier, the shipper or loader responsible for the cargo, and any maintenance contractor whose work contributed to a mechanical failure. Manufacturers can be added where a defect played a role.
What if I was partly at fault?
Massachusetts uses modified comparative negligence with a 51 percent bar (G.L. c. 231, § 85). You can recover if your share of fault does not exceed the combined fault of all defendants, but your damages are reduced by your percentage. At 51 percent or more, you recover nothing, which is why fault allocation is often the most contested issue in the case.
How much insurance do trucking companies carry?
Federal minimums under 49 CFR § 387.9 are $750,000 for interstate carriers of non-hazardous freight, $1,000,000 for oil and certain hazardous materials, and $5,000,000 for certain bulk hazardous substances. Many carriers buy excess coverage above these floors, while small operators may carry only the minimum.
What is an ELD and why does it matter?
An electronic logging device connects to the truck’s engine and automatically records driving time, duty status, and location. It is the primary tool for proving hours-of-service violations and driver fatigue. Carriers are only required to keep this data for six months, so preserving it quickly is essential.
Does Massachusetts no-fault insurance apply to truck accident injuries?
Yes, for occupants of registered Massachusetts vehicles. Your own policy’s PIP coverage pays at least $8,000 per person for medical expenses, 75 percent of lost wages, and replacement services regardless of fault (G.L. c. 90, §§ 34A, 34M). To recover pain and suffering from the trucking defendants, your medical bills must exceed $2,000 or your injury must fall into a listed category such as a fracture (G.L. c. 231, § 6D).
Truck accident claims combine federal regulation, multi-defendant liability, fast-expiring electronic evidence, and high-limit insurance defended by professional teams. Given those stakes and the pace at which evidence disappears, these cases usually warrant experienced counsel.