Gorski Consulting


Gorski Consulting is a forensic motor vehicle accident reconstruction firm offering expert analysis and opinion to the legal, insurance, and private plaintiff/defendant communities for the resolution of civil and criminal litigation issues.

Since 1980, Zygmunt Gorski, the principal of the firm, has worked in the safety research and accident reconstruction fields. He has provided reconstruction analysis and expert opinions and testimonies for hundreds of vehicle accidents.

Recent Posts

2023 Data on Cyclist Helmet Use in London Ontario

2023 Data on Cyclist Helmet Use in London Ontario

Gorski Consulting has conducted observations of almost 1000 cyclists in London, Ontario during the year 2023. Cyclist helmet use is one of the parameters being monitored. As in previous years Gorski Consulting has obtained observations of cyclist helmet use in London,...

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School Bus Double Fatal Collision Near Brampton Ontario

School Bus Double Fatal Collision Near Brampton Ontario

This OPP photo of the site of a school bus double-fatal collision just outside of Brampton Ontario could not be any less informative. The final rest positions of the SUV and school bus had to be located just outside of the right and left edges of this view, as if the...

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Cyclist Struck by London City Police Cruiser

Cyclist Struck by London City Police Cruiser

No photos are available relating to a collision between a London City Police cruiser and a cyclist that reportedly occurred on Thursday, December 7, 2023 on York Street near William Street in London, Ontario. In keeping with journalistic standards, this dated photo of...

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School Buses Have A Propensity To Wander

School Buses Have A Propensity To Wander

This photo recently posted by the OPP shows a school bus that wandered off the roadway and tipped over the steep embankment of a roadside ditch. School bus wandering is more common than in typical passenger cars. While school buses are generally safe for transporting...

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Red Hill Valley Judicial Inquiry Final Report Pending

Red Hill Valley Judicial Inquiry Final Report Pending

Will anything useful become resolved about the Red Hill Valley Parkway scandal when a final report from a Judicial Inquiry will become available this coming week? A technical report that was written ten years ago became missing and from this millions of dollars have...

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Collision Survival Needs Early “Deceleration”

Collision Survival Needs Early “Deceleration”

In a serious collision an important concept is that how and when your body makes contact with your vehicle interior is crucial to your survival. A key concept to understand in protection from collision injury is the idea of early "deceleration". Deceleration is placed...

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School Bus Tree Impact In Stratford Ontario

School Bus Tree Impact In Stratford Ontario

Collision severity is what causes injury and death. But how is that determined? Looking at damage alone can be deceptive. A school bus collided with a tree on John Street in Stratford, Ontario on the morning of Thursday, November 2, 2023. Photos of the collision such...

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Hydro-Vac Truck Fatal Rollover Trial Is Complicated

Hydro-Vac Truck Fatal Rollover Trial Is Complicated

This photo taken by the London Fire Department shows the Hydro-Vac truck that rolled onto a passenger vehicle at the intersection of Bradley Ave and Jackson Road in London, Ontario on January 6, 2021. A trial is underway alleging that the truck driver was driving...

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Latest Cycling Data From Colborne Street Traffic Study

Latest Cycling Data From Colborne Street Traffic Study

New data from the August 29, 2023 documentations on Colborne Street in London, Ontario shows that female riders and helmet wearing are far more common than in any other part of the City. Also the lateral paths of cyclists has changed. Analysis continuing. Partial...

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Highbury Ave Fatal Collision at Dingman Drive

Highbury Ave Fatal Collision at Dingman Drive

An unidentified bystander took this photo of the final rest position of a dump truck that collided with a pick-up truck at the intersection of Highbury Ave and Dingman Drive in south London, Ontario. The dump truck was travelling southbound on Highbury Ave and the...

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Multi-fatal Charter Bus Rollover near Harrisburg Pa

Multi-fatal Charter Bus Rollover near Harrisburg Pa

Travelling in a large charter bus on an expressway ought to be a very safe mode of transportation. The fact that, at times, it is dangerous is not because it should be but because we fail to learn from past disasters, preferring to keep the travelling public in the...

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Details of Motor Vehicle Passing Motions of Cyclists

Details of Motor Vehicle Passing Motions of Cyclists

This view is of Premiere Project created to examine the details by which motor vehicles pass cyclists on Colborne St just north of St James St in London Ontario. The cyclist is shown here entering a 50-metre zone of markers which document details about the cyclist's...

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Gorski Down But Not Out

Gorski Down But Not Out

Unfortunate circumstances caused the lack of involvement by Gorski Consulting in the public participation meeting regarding the long-term use of Blackfriars Bridge in London, Ontario. However positive developments have taken place in other areas of study such as the...

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Officially-Invisible Cargo Carriers In London Ontario

Officially-Invisible Cargo Carriers In London Ontario

Not everyone can see them but, like Santa Claus, there are invisible cargo carriers out there. Some cannot see these cargo carriers because of simple things like darkness of night. But many do not see them because they chose to be blind to their presence. Much like...

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School Bus Visibility Obstruction Could Kill You

School Bus Visibility Obstruction Could Kill You

In July of 2007 I posted an article on this (Gorski Consulting) website entitled "Roof Pillars Can Be A Visibility Obstruction". The point was to illustrate that a driver's view could be obstructed at an intersection by a roof pillar and this could lead to a...

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Bus Crash in Laval Points to Effects of Hysteria

Bus Crash in Laval Points to Effects of Hysteria

Large vehicles can be used as weapons by those with deranged intentions. However getting the facts right in determining whether an act was deliberate cannot be based on emotion and hysteria. Two children were killed and others injured when a transit bus veered into a...

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Death Should Not Occur From Simple Guardrail Impact

Death Should Not Occur From Simple Guardrail Impact

There was no explanation provided by the OPP as to how and why the passenger in this collision with a guardrail died and the driver sustained critical injuries. Guardrails exist to reduce the severity of injuries, not increase them. The poor quality of this photo...

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How Fast Was That Car Going?

How Fast Was That Car Going?

Often the public is incapable of interpreting collision evidence that leads them down an erroneous path. The internet is full of experts who use false information to confuse, and sometime defraud the public. The realm of collision analysis is no exception. A common...

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Drowning Risks Continue in Water-filled Ditch Rollovers

Drowning Risks Continue in Water-filled Ditch Rollovers

Fortunately the Ontario Provincial Police provided this photo of an upside down vehicle in a narrow ditch on Townsend Line in Lambton County. Otherwise we would not have the opportunity to explain the danger of such occurrences. At the risk of playing this broken...

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Cyclist Helmet Use in London Ontario

Cyclist Helmet Use in London Ontario

Observations made in London Ontario in the first half of 2022 indicate that more than half of cyclists riding on or next to roadways in the City do not wear helmets. This is an important finding considering the risk to injury that occurs when helmets are not used....

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Latest Scandal At City of Hamilton Really Smells

Latest Scandal At City of Hamilton Really Smells

The City of Hamilton is making many local area lawyers rich with investigations of its various scandals. Congratulations taxpayers of Hamilton, you have officially won another local scandal. The price? You will be paying perhaps $300 million dollars out of your...

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Cycling Issues In London Ontario – A Commentary

Cycling Issues In London Ontario – A Commentary

People have a right to believe what they will but I believe climate change is not some devilish hoax. As such important changes must be made to how our society functions. The need to reduce our carbon footprints must involve the recognition that our transportation...

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Has Road Safety in Ontario Been Deteriorating?

Has Road Safety in Ontario Been Deteriorating?

What is going on with injury and fatality causation in Ontario? Has there been a recent deterioration of road safety? How do we know? In the U.S. the National Highway Traffic Safety Administration (NHTSA) reported earlier this year that traffic fatalities likely...

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Colborne at St James Traffic Study Underway

Colborne at St James Traffic Study Underway

This is a view, taken on October 5, 2022, looking south along Colborne Street toward St James Street in London, Ontario. The video camera shown here is one of several that were positioned within a 130 metre distance to document the speed and volume of traffic on...

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Following The Chaos of A Detour – Part 3

Following The Chaos of A Detour – Part 3

The creation of a detour that involves cyclist traffic needs to take into consideration the typical behaviour of cyclists as well as their capabilities. This observation has been demonstrated in the creation of a detour around the construction at the Thames Valley...

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Following The Chaos of A Detour – Part 2

Following The Chaos of A Detour – Part 2

Gorski Consulting has been following the repercussions of a decision by the City of London Ontario to create a detour route around some construction that was being done on the Thames Valley Parkway (TVP) in an area just north-west of the downtown of the City. The TVP...

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Following The Chaos Of A Detour – Part 1

Following The Chaos Of A Detour – Part 1

When the City of London developed a detour around construction at the Thames Valley Parkway (TVP) unknown planners failed to understand how cyclists behave in their normal progression through their urban environment. The result is that several dangers were created...

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Judicial Inquiry into Red Hill Valley Parkway Continues

Judicial Inquiry into Red Hill Valley Parkway Continues

This view of the Red Hill Valley Parkway in Hamilton Ontario was taken in September, 2020, at a time when its posted maximum speed was reduced to 80 km/h. Officials believed this was necessitated due to the perceived safety problems that became reported over several...

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Is A Cyclist Travelling 26 km/h Speeding?

Is A Cyclist Travelling 26 km/h Speeding?

Interactions between cyclists and other users along multi-use paths inevitably cause concerns when the paths are not designed with sufficient safeguards to allow safe and unobstructed passage. Situations in High Park in Toronto, Ontario have seen a recent elevated...

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Blackfriars Bridge Traffic Study – Session #4 Results

Blackfriars Bridge Traffic Study – Session #4 Results

The Phantom of Blackfriars Bridge appeared to have some competition during Session #4 of the Blackfriars Bridge Traffic Study (BBTS) on July 18, 2022 as a new climber of the bridge was spotted on the structure. Session #4 of the Blackfriars Bridge Traffic Study (BBTS)...

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Blackfriars Bridge Traffic Study – Session #3 Results

Blackfriars Bridge Traffic Study – Session #3 Results

Results from Session #3 of the Blackfriars Bridge Traffic Study (BBTS) have now been completed with respect to motor vehicle, cyclist and pedestrians volumes. Documentation in Session #3 occurred between 0648 and 0848 hours. Overall fewer observations were made in...

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Blackfriars Bridge Traffic Study Session #3 Completed

Blackfriars Bridge Traffic Study Session #3 Completed

Session #3 of the Blackfriars Bridge Traffic Study (BBTS) was completed this morning, July 6, 2022, between 0700 and 0900 hours. This data will be revealing as it comes from the morning peak (rush) hours in the middle of a work week. We are now in the process of...

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The Phantom of Blackfriars Bridge

The Phantom of Blackfriars Bridge

Who is the mysterious creature who walks over top of the historical Blackfriars Bridge in London Ontario? While completing our Session #2 of videotaping at the Blackfriars Bridge a mysterious climber emerged, walking the trusses of the bridge like he was taking a...

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Blackfriars Bridge Study Postponed Due to Weather

Blackfriars Bridge Study Postponed Due to Weather

Thursday, May 26, 2022 was planned to be the day when official observations of traffic were to be conducted by Gorski Consulting at the site of the Blackfriars bridge in London, Ontario. Unfortunately weather forecasts kept predicting that the day would be washed out....

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Dangerous Police Traffic Stop Standing in Live Lane

Dangerous Police Traffic Stop Standing in Live Lane

A police force posted a photo (shown above) of one of its officers who stopped a speeding vehicle at an undisclosed location outside of Toronto, Ontario. The officer is seen standing in a live lane while at the driver's window of the offender's vehicle. The scenario...

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Not Enough Radicalization & Intolerance?

Not Enough Radicalization & Intolerance?

Recently Gorski Consulting attempted to convey an important safety message to cyclists  with a short Twitt. This was based on the results of real-life collisions that were reconstructed by Gorski Consulting. What resulted was an angry response from many who decided...

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Cyclists Riding on Sidewalks In London Ontario

Cyclists Riding on Sidewalks In London Ontario

Why do so many cyclists chose to ride on a sidewalk rather than on the road where they are legally required? That is one of the questions we need to answer if we are to improve cycling efficiency and safety in the Province of Ontario. Gorski Consulting has been...

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Additions to Road Data Webpage of Gorski Consulting Site

Additions to Road Data Webpage of Gorski Consulting Site

The Road Data webpage has been updated on the Gorski Consulting website to explain additional testing that has been conducted in recent years. As a result of an unexplained hacking of the Gorski Consulting website in early January, 2022 we have removed our hosting...

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Happy Trails My Friend – To Our Hikers & Bikers

Happy Trails My Friend – To Our Hikers & Bikers

Happy trails my friends. For you bikers, we appreciate that spring has sprung but 2 inches of morning snow in London has us searching for our snowshoes. In the meantime remember what lies ahead in this upcoming season. May you have a safe, relaxed and healthy season....

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Unreported & Unexplained Fatality on Hwy 7 in Vaughan

Unreported & Unexplained Fatality on Hwy 7 in Vaughan

Those who appreciate the importance of reducing injury and death on our roads must understand that hiding the causes will not help in achieving reductions in those injuries and deaths. An example of the problem is the display on Twitter of the above photo in a York...

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Springtime Cycling – The Challenges Continue

Springtime Cycling – The Challenges Continue

Much like general roadway maintenance, the maintenance of cycling paths, trails and tracks is needed on a constant basis. Many cities like London have reduced their roadway inspections over the years, especially with the advent of the Municipal Act and the so called...

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How Many Persons Died From Post-Impact Fire in Texas?

How Many Persons Died From Post-Impact Fire in Texas?

The elephant in the room is being ignored again. No sooner did I finish posting an article on the tragic death of a young female driver in a post-collision fire on Highbury Ave near London, Ontario, then another fire in Texas occurred, without any official explanation...

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Gorski Slowly Returning To Active Duty

Gorski Slowly Returning To Active Duty

  Not only was the Gorski Consulting website recently hacked but regrettably I was informed that I would need surgery. This occurred last week and I am slowly recovering. I've had some thoughts in passing. Many years have passed by in the wink of an eye much like...

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Ford Apologizes for not Recording Your Crash Data

Ford Apologizes for not Recording Your Crash Data

Independent collision reconstructionists have discovered that 2020-21 Ford Super Duty Pick-up trucks have had their event  data recorders (EDRs) inadvertently turned off. Ford was made aware of this problem and narrowed it to vehicles built at its Kentucky truck plant...

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Gorski Consulting Participates in Velo Cycling Counts

Gorski Consulting Participates in Velo Cycling Counts

Velo Canada Bikes is a corporation that has initiated a cyclist counting procedure throughout Canada during the week of June 1-6, 2021. During this week volunteers are asked to count the number of cyclists they observe at designated locations in 14 different Canadian...

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Cause of Deaths in Recent Collision Fires Not Revealed

Cause of Deaths in Recent Collision Fires Not Revealed

Two recent fatal collisions demonstrate the lack of attention being paid to the cause of death in a vehicle collision. News media reported on May 4, 2021 that a two-vehicle collision occurred near Milverton, Ontario which resulted the death of an 84-year-old male...

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Final Results From School Bus Motion Testing

Final Results From School Bus Motion Testing

Analysis of recent testing of school bus motions has now been completed. A total of six testing sessions were completed along various routes in London, Ontario noted below: March 4, 202; GMC 18 Passenger School Bus driven along Wharncliffe Road route. March 4, 2021;...

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Cyclist Observations – 8 Year Study in London Ontario

Cyclist Observations – 8 Year Study in London Ontario

  Gorski Consulting has completed a review of 8 years of photos of cyclists riding on or adjacent to roads in London, Ontario. The years 2013 to 2020 showed the characteristics of the riders, their actions and the safety of the roads on which they travelled. For...

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Skating to Church in a Pine Box

Skating to Church in a Pine Box

Undoubtedly, adjusting your skates in full flight will deliver you to church in an unexpected way. This gentleman must have believed he was invincible as he skated along a street in London Ontario without paying attention to traffic.

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Is That A Garbage Bag Lying On The Road?

Is That A Garbage Bag Lying On The Road?

If you observed this view for 1 or 2 seconds would you correctly identify the object in the road? Hindsight causes many to judge the actions of a driver based on what they know after a collision has occurred.

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Cause of Collisions Is Often Not Correctly Detected

Cause of Collisions Is Often Not Correctly Detected

Many persons who are deserving of charges are not captured by typical investigations of motor vehicle collisions. Look at the scenario above which commences when traffic is diverted due to a closed lane. The driver of the BMW SUV has been forced into the left lane...

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Is London Ontario Prepared for More Cyclists?

Is London Ontario Prepared for More Cyclists?

Climate change is the impetus that is forcing more infrastructure to be built to accommodate cyclists. It is believed that more infrastructure will cause more cyclists to use that infrastructure. That simple conclusion may be debatable. But are we prepared for the...

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Traffic Speed Cameras – Do They Improve Safety?

Traffic Speed Cameras – Do They Improve Safety?

It seems like a pointless question to most observers but do traffic speed cameras improve safety at the locations where they are installed? Traffic speed cameras should cause more drivers to travel at or below the speed limit at the locations where the cameras are...

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Safety Technology That Fails Must Be Reported

Safety Technology That Fails Must Be Reported

It seems logical that, when a technology fails resulting in the crash of an airliner, there should be a public revelation of that fact. Three or five hundred deaths in one incident makes us aware of that importance. But what happens when a technology fails over a...

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Bridge Abutment Impact By Tractor-Trailer on Hwy 401

Bridge Abutment Impact By Tractor-Trailer on Hwy 401

While the large destruction caused by heavy truck impacts draws our attention, we fail to acknowledge the danger that truckers face when the roadway infrastructure is insufficient to protect them. The above photo uploaded on the OPP Twitter account shows two...

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