A jackknife truck accident can block several lanes within seconds and leave nearby drivers with little time to react. After the crash, determining who is responsible may be complicated because the truck driver is not always the only party involved. Depending on what caused the trailer to swing out of alignment, liability might involve the driver, the trucking company, a maintenance provider, a cargo-loading business, another motorist, or more than one of these parties.
What Happens When a Commercial Truck Jackknifes?
A jackknife occurs when a truck’s trailer moves out of alignment with the cab, creating an angle similar to a folding pocketknife. Once the trailer begins sliding sideways, the driver can have difficulty regaining control.
Jackknifing typically happens when the tractor’s wheels continue moving forward while the trailer wheels lose traction or lock during braking. The risk of jackknifing increases when a truck is moving too fast, the driver brakes suddenly, the road is wet or icy, the cargo shifts, or the braking system does not work correctly.
A tractor-trailer is large, so a jackknifing trailer can slide across several lanes of traffic, impacting multiple passenger vehicles. The investigation into the accident is likely to examine driver conduct, vehicle condition, cargo loading, and the actions of nearby motorists.
When Is the Truck Driver Responsible?
A commercial truck driver can be responsible when unsafe driving contributes to the loss of control of the trailer. Investigators may examine whether the driver was speeding, following another vehicle too closely, distracted, fatigued, or driving too fast for the weather and road conditions.
Speeding or Driving Too Fast for Conditions
A posted speed limit does not necessarily represent a safe speed under every condition. A truck driver may need to slow down in certain weather or when approaching heavy traffic, construction, a curve, standing water, ice, or another roadway hazard.
Higher speeds can leave less time to react and increase the force needed to stop a fully loaded truck. If the driver enters a curve too quickly or brakes aggressively after failing to notice slowing traffic, the trailer may begin to swing.
Improper Braking
Sudden or poorly controlled braking can contribute to a jackknife accident, particularly when the road is slippery or the truck’s weight is unevenly distributed. A driver must understand how to apply the brakes while keeping the tractor and trailer stable.
Liability questions can arise if the driver applied excessive braking pressure, failed to maintain enough following distance, or used a braking technique that was unsafe for the conditions.
Inadequate Driver Training
Operating a tractor-trailer requires training that goes beyond ordinary passenger-vehicle driving. Drivers need to understand the truck’s stopping distance, braking system, turning limitations, weight distribution, and response to adverse weather.
A driver who was not properly trained can fail to recognize when the trailer is beginning to lose traction or might make a steering or braking correction that worsens the situation.
When Does the Trucking Company Share Liability?
A trucking company can be responsible for its own safety failures and, under the legal doctrine of respondeat superior, for a driver’s conduct while performing work for the company. For example, investigators may examine whether the trucking company:
- Hired a driver without adequately reviewing the driver’s qualifications or safety history
- Failed to provide appropriate training or supervision
- Pressured the driver to meet an unrealistic delivery schedule
- Allowed an unqualified or unsafe driver to continue operating
- Failed to inspect, repair, or maintain the tractor or trailer
A company’s records can help show what it knew before the accident. Driver qualification files, training documents, dispatch communications, inspection reports, electronic logging data, and prior maintenance requests can all become relevant.
Can a Maintenance Provider Be Responsible?
A commercial truck’s brakes, tires, suspension, steering components, and coupling equipment must work together to keep the tractor and trailer stable. A defect or poorly completed repair can increase the risk of losing control.
Federal safety regulations establish minimum requirements for commercial-vehicle equipment, including braking systems, and generally prohibit a motor carrier from operating a vehicle that is not properly equipped. An outside maintenance company can share responsibility for a jackknife if it failed to identify a dangerous condition, performed an inadequate repair, installed the wrong part, or returned the truck to service while a serious mechanical problem remained.
Maintenance records can reveal recurring brake issues, worn tires, driver warnings, missed inspections, or postponed repairs. A mechanical inspection after the crash can also help determine whether an equipment failure contributed to the jackknife.
When Can a Cargo Loader Be Liable?
Cargo affects a truck’s balance, handling, and stopping distance. If a load is too heavy, distributed unevenly, or not adequately secured, it can shift when the driver turns or applies the brakes.
Federal cargo-securement rules generally require cargo to be properly distributed and secured before a commercial vehicle is operated. The rules are intended to prevent loads from shifting in a way that adversely affects the vehicle’s stability or maneuverability.
When a separate warehouse, shipping company, or loading contractor prepares the trailer’s load, that business can share responsibility if its work contributed to the accident. Investigators may review bills of lading, weight tickets, loading diagrams, cargo photographs, securement devices, and statements from the workers who loaded the trailer.
The trucking company and driver may also have responsibilities related to inspecting the load before and during transport.
Can Another Driver Cause a Truck to Jackknife?
Not every jackknife crash begins with an error by the truck driver. Although the truck may be the vehicle that strikes others after jackknifing, the actions of another driver can create the emergency. A passenger-vehicle driver may cut in front of the truck, make an unsafe lane change, stop unexpectedly, or enter the truck’s path without leaving enough space. The truck driver may then brake or steer sharply to avoid an immediate collision.
Investigators may use witness statements, traffic-camera footage, dashcam video, vehicle damage, and physical evidence from the roadway to reconstruct the sequence of events.
How Do Road and Weather Conditions Affect Liability?
Rain, ice, standing water, construction debris, damaged pavement, and poor visibility can increase the risk of a truck losing traction. However, difficult weather does not automatically excuse unsafe driving.
Investigators may consider whether the truck driver reduced speed, increased following distance, and adjusted braking for the conditions. They may also examine whether the trucking company provided appropriate safety guidance or expected the driver to continue despite known hazards.
In some situations, a dangerous roadway condition may raise questions involving a road-construction contractor, maintenance contractor, or government entity. Claims involving a government entity can be subject to special notice rules and other procedural requirements.
What Evidence Can Help Determine Who Was Responsible?
Liability may not be clear from the crash scene alone. Important evidence may be stored in the truck, in company systems, or in records controlled by third parties.
An investigation may wish to examine:
- Data recorded by the truck’s onboard systems
- The truck’s electronic logging device
- Dashcam and surveillance footage
- Driver qualification and training records
- Dispatch messages and delivery instructions
- Brake, tire, inspection, and maintenance records
- Cargo documents and weight information
- Police reports and witness statements
- Photographs of skid marks, debris, vehicle positions, and road conditions
Because some records may be overwritten or retained for only a limited period, preserving evidence can become an important issue soon after the collision.
Can More Than One Party Be Liable in Texas?
More than one party may share responsibility for a jackknife accident. For example, a driver may have been traveling too fast, the trucking company may have failed to provide adequate training, and a maintenance provider may have overlooked a brake problem. Texas law permits responsibility to be allocated among people and businesses whose conduct contributed to the collision.
The percentage assigned to each party can affect the amount that can be recovered. Insurance companies may therefore disagree about who caused the collision and how responsibility should be divided.
How Bailey & Galyen Reviews Liability After a Jackknife Accident
Jackknife accidents can involve commercial insurance policies, federal safety requirements, technical vehicle evidence, and several potentially responsible parties. Bailey & Galyen can review the circumstances surrounding the crash, including the truck driver’s actions, the trucking company’s safety practices, maintenance records, cargo-loading information, and evidence involving other drivers or roadway conditions.
The legal team can also review available crash reports, witness statements, vehicle data, inspection records, and other documentation that can help show how the accident happened and which parties might share responsibility. If you have been injured in a jackknife truck accident and are unsure who may be responsible, call Bailey & Galyen. The team can explain general considerations, answer your questions, and help you understand possible next steps. Free consultations are available for personal injury matters, and someone is available 24/7.
Frequently Asked Questions
1. Is the truck driver always liable for a jackknife accident?
No. Responsibility depends on what caused the truck to lose control, and the evidence may point to the driver, trucking company, maintenance provider, cargo loader, another motorist, or more than one party.
2. Can a trucking company be liable when the driver caused the crash?
Possibly, in two different ways.
Liability for the driver’s conduct. Under the legal principle of respondeat superior, a trucking company can be held responsible for a driver’s negligent conduct while on the job — for example, speeding, driver fatigue, distracted driving, following too closely, or violating hours-of-service rules.
Liability for the company’s own conduct. Separately, a trucking company can be liable for its own negligence in how it ran its operation — such as unsafe hiring practices, inadequate training, poor supervision, scheduling pressure that encourages drivers to exceed hours-of-service limits, or maintenance failures.
3. How can investigators tell whether the brakes failed?
Investigators typically inspect the braking system and review maintenance reports, inspection records, driver complaints, onboard data, and prior repair history. This evidence can help distinguish between a mechanical problem and an unsafe braking decision by the driver.
4. What happens when shifted cargo causes a truck to jackknife?
Responsibility can depend on who loaded, secured, inspected, and transported the cargo. A loading contractor, trucking company, or driver may be liable when improperly distributed or unsecured cargo contributes to a loss of control — and where more than one of these parties is at fault, liability can be shared among them.
5. What if another driver forced the truck driver to brake suddenly?
The other driver may bear some or all responsibility if an unsafe lane change, sudden stop, or other action created the emergency. The truck driver’s response and whether the truck was being operated safely should also be considered.
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