A multi-vehicle accident involving a truck has shut down part of Highway 10 near Markdale, Ontario, as emergency crews respond to the scene.
The collision was reported on Wednesday, October 21, 2026, just south of Markdale in Grey County.
Ontario Provincial Police confirmed that emergency responders were assessing the people involved for possible injuries. A witness also reported seeing two vehicles in a ditch beside the road.
Highway 10 was closed between Uplands Drive and Road 110, with traffic being diverted around the area.
The initial report did not confirm the number or severity of any injuries. Police have also not announced what caused the collision.
The crash highlights an important issue for drivers across Ontario: truck and multi-vehicle accidents can lead to complex insurance claims and serious injuries.
What Makes Multi-Vehicle Truck Accidents So Complex?
A crash involving several vehicles is rarely simple to investigate. One vehicle may strike another, causing a chain reaction. A driver may brake or swerve to avoid a collision and end up hitting a different vehicle. When a large truck is involved, its size and weight can add to the danger. Trucks often need more room to stop. They also have larger blind spots than passenger vehicles. However, the presence of a truck does not mean its driver caused the accident.
In the Markdale collision, police have not released enough information to determine who may be responsible.
Who Is at Fault in a Multi-Vehicle Accident in Ontario?
Fault depends on how the collision happened.
For example, a driver who follows another vehicle too closely may be responsible for a rear-end crash. A driver who makes an unsafe lane change may also cause a chain reaction. In other cases, road conditions, visibility or mechanical problems may contribute to the accident.
When several vehicles are involved, responsibility may be shared.
Insurance companies use Ontario’s Fault Determination Rules to assess fault for certain insurance purposes. A civil lawsuit may require a separate review of negligence and the evidence.
An experienced Ontario truck accident lawyer can examine the facts and help determine which parties may be legally responsible.
Can You Sue a Trucking Company After a Highway Accident?
Yes, in some cases.
If a commercial truck driver causes a collision through negligence, the injured person may have grounds to pursue a personal injury claim.
Depending on the circumstances, the trucking company may also bear legal responsibility.
For example, an investigation may examine whether the company properly maintained the truck, followed safety rules and took reasonable steps when hiring or supervising drivers.
However, not every truck involved in an accident is a commercial vehicle. The type of truck and its ownership must be confirmed before drawing conclusions.
In the Highway 10 collision, the available reports do not establish the truck’s ownership or whether it was operating commercially.
What Injuries Can Result From a Highway 10 Truck Accident?
Even when people walk away from a collision, they may still need medical care.
Some injuries become more noticeable hours or days after the crash.
Common injuries from serious motor vehicle accidents include:
- Concussions and traumatic brain injuries
- Neck and back injuries
- Broken bones
- Spinal cord injuries
- Internal injuries and soft tissue damage
Severe injuries can prevent someone from working or carrying out daily tasks.
Recovery may involve physiotherapy, surgery, rehabilitation or ongoing medical treatment.
For people with permanent injuries, the effects may last a lifetime.
What Should You Do After a Multi-Vehicle Collision?
If you are involved in a highway accident, your first priority should be safety.
Call 911 when someone is injured or there is an immediate danger. Seek medical attention if you have been hurt.
Once it is safe, take steps to protect important information.
Photographs of vehicle damage, road conditions and the accident scene may be useful.
Witness names, dashcam footage and police reports can also help explain what happened.
Keep copies of medical records and receipts for treatment. If you miss work, document your lost income.
Report the collision to your insurer promptly and follow the applicable claims process.
These steps may help if you later need to make an Ontario car accident or truck accident claim.
What Compensation Is Available After a Serious Truck Accident?
An injury can create costs that continue long after a damaged vehicle is repaired.
You may need medical treatment, time away from work or help at home.
If another party’s negligence caused your injuries, you may be able to seek compensation for eligible losses.
These may include lost wages, reduced future earning ability, medical expenses, rehabilitation costs, future care needs, and pain and suffering.
The amount depends on the seriousness of the injuries, the evidence, liability and applicable legal requirements.
A Grey County personal injury lawyer can help assess both current and future losses.
Are Accident Benefits Available After a Truck Accident in Ontario?
Ontario’s Statutory Accident Benefits system may provide support after a motor vehicle accident, regardless of who caused the crash.
Depending on the insurance policy and the person’s injuries, benefits may help cover eligible medical treatment, rehabilitation, income replacement and certain care needs.
These benefits are separate from a lawsuit against an at-fault driver.
Ontario’s auto insurance rules changed on July 1, 2026. Several benefits that were previously mandatory became optional under new or renewed policies.
This makes it important to review the coverage that applies to the accident.
An Ontario personal injury lawyer can help identify the correct insurer, explain available Accident Benefits and address disputes over coverage.
Why Truck Accident Evidence Should Be Preserved Early
Truck accidents can involve more evidence than ordinary car crashes.
In addition to police reports and witness statements, investigators may need to review vehicle maintenance records, driver logs and electronic vehicle data.
Commercial trucks may contain systems that record certain information about how the vehicle was operating.
Nearby security cameras and dashcams may also capture the moments before a collision.
Some records may be lost or overwritten if they are not preserved promptly.
For anyone injured in a Markdale truck accident or Highway 10 collision, gathering evidence early can help establish what happened.
Injured in a Highway 10 Accident? Contact Bergel Magence
A serious collision can leave you facing medical bills, lost income and uncertainty about your recovery. When trucks and several vehicles are involved, understanding your legal rights can be even more challenging.
For more than 50 years, Bergel Magence Personal Injury Lawyers has represented injured people and families throughout Ontario.
Our experienced legal team handles Highway 10 accidents, Markdale car accidents, Grey County truck collisions, commercial vehicle accidents, multi-vehicle crashes, traumatic brain injuries, spinal cord injuries and catastrophic injury claims.
If you or someone you love has been seriously injured in a truck accident near Markdale, on Highway 10, in Grey County or anywhere in Ontario, contact Bergel Magence Personal Injury Lawyers today for a free, no-obligation consultation. Our Ontario truck accident lawyers can investigate the collision, preserve evidence, review available Accident Benefits, deal with insurance companies and pursue the compensation you may be entitled to receive.