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

Vehicle Drowning in Peterborough? No One Knows

Vehicle Drowning in Peterborough? No One Knows

How much confidence is given when police search for a submerged vehicle and find a second one? Where did this second vehicle come from? Was there an unreported drowning? The OPP reported on Thursday, December 12, 2019 that they attended the Otonabee River on Monaghan...

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The Fast and The Furiously Burning

The Fast and The Furiously Burning

A fatal vehicle fire in Fort Lauderdale Florida is reminiscent of the fire death of Paul Walker from the "Fast & The Furious" But it also illuminates some confusing issues. Two young men Barrett Riley and Edgar Monserratt died in the crash. A third male occupant,...

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Barrier Impacts Causing Rollovers of Large Vehicles

Barrier Impacts Causing Rollovers of Large Vehicles

Whether you drive a heavy truck or bus, or happen to be a passenger, you are provided with essentially no warnings regarding your danger when your vehicle strikes a roadside barrier. As an example, a tractor-trailer struck the end of a concrete barrier on Highway 401...

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What is a Life-Threatening Motor Vehicle Collision?

What is a Life-Threatening Motor Vehicle Collision?

Police and news media provide the public with small glimpses of fatal motor-vehicle collisions while providing very little explanation whether any of these are of a suspicious nature. While the vast majority of these collisions are accidents and not criminal...

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Road Testing Delays An Impetus To Fraud

Road Testing Delays An Impetus To Fraud

A driving instructor in Richmond BC who reportedly hacked into provincial computers to accelerate appointment times for his clients illustrates a general fact of human nature. It has been reported that the average wait time for BC provincial driving tests was 70 days....

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Testing Of Re-Paved, Northbound Red Hill Valley Parkway

Testing Of Re-Paved, Northbound Red Hill Valley Parkway

No obvious problems were detected when the re-paved, northbound Red Hill Valley Parkway was re-tested on June 16, 2019. This is the conclusion drawn after Gorski Consulting conducted testing in response to a driving instructor's complaint to the Hamilton Spectator...

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Red Hill Valley Parkway – New Paving Receives Complaint

Red Hill Valley Parkway – New Paving Receives Complaint

In a "Letter-to-the Editor" of the Hamilton Spectator Newspaper, a local reader complained about the roughness of the newly-paved, northbound lanes of the Red Hill Valley Parkway. The letter read as follows: Newly-paved road a disaster RE: Red Hill I had the...

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Some Collision Scenarios Are Challenging

Some Collision Scenarios Are Challenging

There are some collisions scenarios where seat-belts, air bags and crumple zones will not help, but there are still escape routes! The above photo demonstrates that, despite the propaganda, there are limits to what vehicle safety design engineers can accomplish to...

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Additional Road Data From Westbound Highway 401 Testing

Additional Road Data From Westbound Highway 401 Testing

What road surface conditions could make our vehicle go out of control and kill us? That should be an important issue to anyone who travels on any roadway. Gorski Consulting has been gathering data on this issue for the past 5 years and this has been posted on the Road...

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Preliminary Road Data For Westbound Highway 401

Preliminary Road Data For Westbound Highway 401

Preliminary results are available from road surface testing of westbound Highway 401 conducted on May 5, 2019. The full testing commenced at Wonderland Road to Tilbury, Ontario and then the test vehicle turned around and continued from Tilbury back to Highbury Ave in...

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OPP and News Media Sensationalism is Not a Virtue

OPP and News Media Sensationalism is Not a Virtue

The public must be able to depend on police and news media to report facts much like Sergeant Joe Friday in the 1950s and 60s TV show "Dragnet". "Just the facts ma'am" was a popular phrase attached to Jack Webb, the actor who portrayed Friday. While it was a fictional...

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Roadway Surface Safety Problems Are Not Just Potholes

Roadway Surface Safety Problems Are Not Just Potholes

Influences of the road surface and geometry toward motor vehicle collisions are not easily detected. They are not restricted to the seemingly innocuous reference to "potholes" used in popular, public, news media. While the popular Canadian Automobile Association...

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London Ontario Proposes 30 km/h Speeds in School Zones

London Ontario Proposes 30 km/h Speeds in School Zones

Various persons and groups have resorted to a propaganda campaign portraying a direct relationship between travel speed and safety as the only issue of importance. In London, Ontario for example a local city councillor is petitioning for lowering City speed limits...

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Posted Speed,  Operating Speed and Speed Enforcement

Posted Speed, Operating Speed and Speed Enforcement

While maximum speeds are posted along almost all roads and highways in Ontario that has little to do with the operating speed, which is the average speed that vehicles are observed to travel. Speed enforcement is the police function of controlling the speed of...

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Vehicle Fires – 5 Fatalities & No Concerns

Vehicle Fires – 5 Fatalities & No Concerns

Three collisions involving vehicle fires and five fatalities occurred in less than a week in southern Ontario - yet there has been no expression of official concern. Late Wednesday, May 1st,  a vehicle exited Oil Heritage Road in Lambton County and burst into flames...

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Pedestrian and Pole Impact in 40 km/h School Zone

Pedestrian and Pole Impact in 40 km/h School Zone

It may be of little interest to the general public that a car reportedly struck a pedestrian in a school zone and then struck a utility pole. But to an accident reconstructionist the facts are intriguing. It has been reported that yesterday afternoon a Nissan Altima...

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School Bus Low Speed Rollover Could Have Been Deadly

School Bus Low Speed Rollover Could Have Been Deadly

A very low speed rollover of a school bus in north-west of Toronto yesterday could have been deadly - so what made it a successful non-event? To begin with, there was no information about the specific location of the mishap. It reportedly occurred on Cold Springs Camp...

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New Head-Up-Display On Windshields Is Not A Distraction?

New Head-Up-Display On Windshields Is Not A Distraction?

What do we define as distraction? Is it additional information that is processed thus slowing a drivers perception/response to the outside environment? If so then more detailed information being displayed on windshields of new vehicles could be viewed as distractions....

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Police Nab One Tail-Gater But 87 Others Missed

Police Nab One Tail-Gater But 87 Others Missed

A London Free Press website article discussed the OPP use of an aircraft to catch tailgating vehicles. A photo was displayed showing a tractor-trailer that was travelling along Highway 401 east of London, Ontario on the afternoon of Sunday, March 24, 2019. The truck...

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Cycling in London Ontario: An Island In A Large Sea

Cycling in London Ontario: An Island In A Large Sea

Cycling is becoming ever more popular in Southern Ontario. In the City of London Ontario a multi-use trail system provides safe cycling from three connected prones of trail extending from downtown. One segment, approaching 10 kilometers in length, takes cyclists from...

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Boeing Software Problems Await Autonomous Motor Vehicle Age

Boeing Software Problems Await Autonomous Motor Vehicle Age

Did we really believe that surrendering vehicle control to a complex of bits and bytes was going to solve all our motor vehicle safety problems? Just look in the air for a clue as to what's too come. In grandpa's days, when the steering wheel did not turn the wheels...

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Vehicle In Ditch Causes Massive Police Reaction

Vehicle In Ditch Causes Massive Police Reaction

There must be some further reason why a massive police presence was required when a vehicle was found stopped in a Highway 3 ditch near Windsor yesterday. The Windsor Star newspaper reported that two occupants fled after their vehicle "rollover" in a ditch of Highway...

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Vehicle Fire Warning Continues

Vehicle Fire Warning Continues

Gorski Consulting has posted a number of warnings about the apparent increase in the numbers of fires occurring in motor vehicle collisions, or sometimes when vehicles are not even being driven. The latest incident on King Street in Toronto had significant...

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Move Over Law Sometimes Creates Traffic Safety Problems

Move Over Law Sometimes Creates Traffic Safety Problems

Moving over for stopped emergency vehicles can create rather than avoid traffic safety problems. A recent photo of the scene of a traffic collision on Highway 401 exemplifies one of the problems. The photo below shows that some vehicles have stopped on the right side...

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Gentlemen, Start Your Computers!

Gentlemen, Start Your Computers!

The unnerving reality is that your new car is a computer on wheels. Do you have anti-virus protection? A March 7, 2019 article by Jim Motavalli of the New York Times entitled "Locking More Than the Doors as Cars Become Computers on Wheels", gives us an insight of what...

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The Godfather Returns?

The Godfather Returns?

Why is it that we have this feeling about current politics of not waking up from some nightmare where the family of Don Vito Corleone has taken over?  

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What is a Poor, Bumpy or Rough Road?

What is a Poor, Bumpy or Rough Road?

"Roll-Up-The-Rim" has a different meaning when, every spring, Ontario drivers pay thousands of dollars to replace rims damaged from striking roadway "potholes". The meaning conveyed to the public is that this is some kind of God-sent, but innocuous, plague that we can...

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No News Of Highway 401 Incidents East of Chatham

No News Of Highway 401 Incidents East of Chatham

Something happened on Highway 401 east of Chatham, Ontario sometime yesterday, or the day before that. We are not really sure. But something happened. The best that the London Free Press could accomplish on their website was to provide a historical view of Highway 401...

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Collision Avoidance When Design Safety Reaches Its Limit

Collision Avoidance When Design Safety Reaches Its Limit

Although great improvements in vehicle design have saved many lives, for those incidents where design has reached its limit, modern collision avoidance is taking a giant step forward. The classic angle collision with direct impact to a driver's door is an example...

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Witness Sent Innocent Man To Prison For 40 Years

Witness Sent Innocent Man To Prison For 40 Years

Judicial systems cannot continually reply on witness evidence as the basis for convictions without supporting evidence. That was made clear once again in the case of Craig Coley. It has been reported that Mr. Coley was released in 2017 after serving nearly 40 years in...

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Cycling Safety Top Priority In London Disagreements

Cycling Safety Top Priority In London Disagreements

Much like many North American cities London, Ontario is dealing with a transition from single-unit, automotive priority to mass transit and "active transportation". The past one hundred years has seen the birth of the North American road network based on relatively...

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OPP Make Correction To Erred Conclusions

OPP Make Correction To Erred Conclusions

In a news item published on December 27, 2018, Gorski Consulting questioned the OPP conclusions  with respect to a fatal collision that occurred on Southminster Bourne Road. Those conclusions have now been corrected. Southminster Bourne Road is located just south-west...

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Example of a Relatively Safe Police Traffic Stop

Example of a Relatively Safe Police Traffic Stop

Police traffic stops near busy or high speed roadways are a genuine danger. Mainly to the officer, but also to all traffic in the vicinity. A "Move Over" law has been enacted in Ontario that is an attempt to make such stops safer. Unfortunately new dangers are created...

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Changes To SIU Forthcoming

Changes To SIU Forthcoming

News media have indicated that changes to Ontario's Special Investigations Unit (SIU) will be announced this week. The Ford conservative government stopped earlier Liberal legislation that would have improved the functioning of the SIU. That earlier legislation was in...

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Documentation of Un-Reported Collisions Continues

Documentation of Un-Reported Collisions Continues

How many collisions occur that never get officially reported? That fact can affect the reliability of collision statistics and what the public is told about roadway safety. Gorski Consulting has been involved in a long term study of unreported collisions and...

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More Car Fires But Still No Alarms

More Car Fires But Still No Alarms

The latest unexplained car fire occurred today, February 13, 2019, in a parking lot of a mall in Toronto. Still, no one appears to be concerned. Gorski Consulting has raised the warning flag on several occasions in the last couple of years regarding the apparent...

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Red Hill Valley Parkway – The Plague of Secrecy

Red Hill Valley Parkway – The Plague of Secrecy

The meaning of road surface friction data or that a single report may have been hidden pales in comparison to the overall issue of secrecy that predominates road safety issues. A local uproar erupted in Hamilton, Ontario when it was revealed that a 2013 technical...

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Red Hill Valley Parkway – Is The Friction Data Corrupt?

Road surface friction data at the junction between the Lincoln Alexander and the Red Hill Valley Parkway appears to be strange, at best. Before concluding anything there needs to be an explanation. There has been much uproar over the revelation that a report of...

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Vehicle Fires Continue Without Much Attention

Vehicle Fires Continue Without Much Attention

Vehicle fires that occur in minor impacts, or from no impact at all, are occurring without any attention. These are potentially life-threatening events if an occupant is not able to escape. In a Twitter post earlier today, police stood before their camera and...

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Neck Injury of Small Stature Females in Frontal Impacts

Neck Injury of Small Stature Females in Frontal Impacts

Research with respect to neck injury potential can be conducted to provide a variety of conclusions for the purposes of supporting or denying an injury claim. Those in the courts that are presented with the results of such research are neophytes in understanding the...

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School Bus Seat-Belts & Humboldt Broncos Misinformation

School Bus Seat-Belts & Humboldt Broncos Misinformation

Official news and social media stories about school bus seat belts and the Humboldt Broncos crash are creating a large amount of misinformation. Melfort Saskatchewan is where the sentencing hearing is to begin with respect to the trial of  Jaskirat Singh Sidhu. Sidhu...

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Fires After Low Speed Impacts

Fires After Low Speed Impacts

Fires after low speed impacts have been mentioned on a number of occasions on this Gorski Consulting website. Fires are occurring far too frequently. Fires are occurring in minor collisions when they should not. We can only issue this warning. If there is no one that...

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Hwy 401 Rear-End Impact of Tractor-Trailer West of Chatham

Hwy 401 Rear-End Impact of Tractor-Trailer West of Chatham

The OPP released a photo of a collision that occurred on Highway 401 between Queens Line and Essex Road 42 earlier today, as shown below. News media reported that a Tractor-trailer was rear-ended by a car when both were travelling in the eastbound lanes. Really? Why...

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Bus Crash Optics Need Better Optometrist?

Bus Crash Optics Need Better Optometrist?

A slightly faster speed could have led to multiple fatalities in a 1971 bus crash but no one noticed. Even now a photo of the incident was only a novelty for the public's amusement. The Hamilton Spectator Newspaper reached into it archive photo footage today to reveal...

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Guilty Pleas To Avoid Public Awareness

Guilty Pleas To Avoid Public Awareness

The recent quiet guilty plea of an SNC Lavalin executive is an example of the newest way to keep the public in the dark. The CBC's Elizabeth Thompson reported that Normand Morin, former vice-president of Lavalin pled guilty to five charges of contravening Canada's...

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Humboldt Broncos Tragedy Doubled By Silence

Humboldt Broncos Tragedy Doubled By Silence

It is vitally important to understand what factors led to the tragic deaths and injuries in the Humboldt Broncos bus crash in the Canadian Province of Saskatchewan on April 7, 2018. Previous collisions are an early warning that, if ignored, lead to current ones. And...

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Headlight Performance & Cost May Surprise You

Headlight Performance & Cost May Surprise You

An article in the November 29, 2018 Status Report of the Insurance Institute for Highway Safety (IIHS) may be surprising with respect to the performance and costs of new headlights. The IIHS studies show the poor performance of headlights on some new car models from a...

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Merry Christmas to All, From the Tall to the Small

Merry Christmas to All, From the Tall to the Small

Let us all feel the enlightenment of children, like Mr. Scrooge and Mr. Grinche. That we have the capacity to bring good to our world if we allow a change to take place within us. Vengeance, anger, disrespect and intolerance are the four horsemen that have ridden...

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Highway 401 Safety Issues – Veering Out of a Travel Lane

Highway 401 Safety Issues – Veering Out of a Travel Lane

An unintended veering out of a travel lane can be the cause of traffic disruptions that ultimately lead to a collision. Collision Reconstructionists who examine the post-collision evidence are rarely able to detect the physical evidence of such an action because, for...

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Hwy 401 – Median Crossover by Truck at Downie Road

Hwy 401 – Median Crossover by Truck at Downie Road

Another median crossover incident occurred on Highway 401 just east of Downie Road on December 17, 2018. This is significant because the involved tanker truck struck the High Tension Cable Median Barrier (HTCMB). The HTCMB is being installed along the 188 kilometre...

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Impact of Stopped Truck In Hwy 401 Construction Zone

Impact of Stopped Truck In Hwy 401 Construction Zone

Why was a transport truck stopped on the westbound Highway 401 in a construction zone near the James Snow Parkway near Milton Ontario when it was rear-ended by a mini van resulting in major injuries to the two occupants of the the van? The official news media provided...

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Highway 401 Safety Issues – Gaps Between Vehicles

Highway 401 Safety Issues – Gaps Between Vehicles

The results have now been tabulated with respect to the gaps between westbound vehicles travelling in the right lane of Highway 401 from four videotaping sessions. It can be recalled from previous discussions that Gorski Consulting has conducted videotaping at four...

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Highway 401 Safety Issues – Average Speed

Highway 401 Safety Issues – Average Speed

Observations of average speeds of vehicles travelling along Highway 401 have been updated as a result of further analysis of the videotape obtained from four sites. It can be recalled from previous postings that Gorski Consulting has conducted videotaped observations...

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Highway 401 Safety Issues – Traffic Volumes

Highway 401 Safety Issues – Traffic Volumes

Gorski Consulting has documented the Highway 401 traffic volume in its continuing series on safety along the South-western Ontario segment of the highway. A series of videotaping sessions was conducted at four sites along the highway. The video is being analysed and...

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Driver Drowning at Port Bruce, Ontario

Driver Drowning at Port Bruce, Ontario

This is the controlled beach at Port Bruce where large, closely-spaced, concrete blocks prevent any traffic from entering the water. It is a difficult location for someone wanting to drive into the water... Why would a driver arrive at a traffic controlled beach in...

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Fires Continue to Erupt After Recent Collisions

Fires Continue to Erupt After Recent Collisions

The above photo was posted on the CP24 News website describing a fatal collision in Pickering, Ontario. The collision is under investigation by Ontario's Special Investigation Unit (SIU). The SIU becomes involved when serious injuries occur that might be caused by...

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Observed Speed of Vehicles On Hwy 401 At Four Sites

Observed Speed of Vehicles On Hwy 401 At Four Sites

What kind of safety problems exist along the busiest highway in Canada? Government agencies such as the Ontario Ministry of Transportation monitor traffic along Highway 401 but that information is not made available to the public. Some of this data could be...

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The Honorable Mr. Harry Leslie Smith

The Honorable Mr. Harry Leslie Smith

“I am one of the last few remaining voices left from a generation of men and women who built a better society for our children and grandchildren out of the horrors of the second world war, as well as the hunger of the Great Depression. Sadly, that world my generation...

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World-Wide Only 10 % of Bicycle Accidents Are Reported

World-Wide Only 10 % of Bicycle Accidents Are Reported

A recent article (by D. Shinar et. al.) published in the Accident Analysis & Prevention, Volume 110, January 2018) examined the official reporting of bicycle accidents in 17 nations. It was estimated that only about 10% of such collisions were officially reported....

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Unexplained Fatality in Minor Frontal Impact in Brampton

Unexplained Fatality in Minor Frontal Impact in Brampton

No explanation has been provided as to why a 53-year-old Brampton man died as a result of a minor frontal impact with a small wall on Garryoaks Drive in Brampton, Ontario this morning. Official news agencies indicate that police have not determined what caused the...

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Fire at 2-Vehicle Collision Is A Warning Of Future Tragedy

Fire at 2-Vehicle Collision Is A Warning Of Future Tragedy

The fact that 5 people escaped a vehicle fire with only minor injuries is not something we should cheer. It is only a matter of time when such an incident with become a future tragedy. The above photo taken by Spencer Taylor shows how a fire engulfed both vehicles...

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Lest We Forget: 6 Seat-Belted Dead, 3 Un-Belted Survive

Lest We Forget: 6 Seat-Belted Dead, 3 Un-Belted Survive

  In 1976 the Province of Ontario enacted legislation requiring the use of seat-belts. On a wintery April in 1979, a church-going family of six adults put on their seat-belts and set out in their Oldsmobile on Highway 2 west of Woodstock, Ontario. They became...

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Hwy 407 Tanker Truck Fire – Further Analysis

Constable Kerry Schmidt, speaking on behalf of the OPP investigation into the fiery tanker truck collision of yesterday, reported that investigators now believe that both of the vehicles that were engulfed by the fire on Highway 407 on the outskirts of Toronto were...

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Highway 407 Tanker Truck Fire – Dashcam Analysis

Highway 407 Tanker Truck Fire – Dashcam Analysis

Two obvious issues needed to addressed from yesterday's explosive fire that erupted when a tanker truck crossed over a concrete median barrier on Highway 407 between Keele and Dufferin Streets on the outskirts of Toronto, Ontario. A driver's dashcam captured the...

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Aylmer Express Newspaper Journalists Acquitted

It was a test of Canada's freedom, democracy and the public's right to know. On this occasion the test was passed. Early reports indicate that Aylmer Express journalists Brett and John Hueston have been found not guilty with respect to charges of obstructing police on...

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Policing Unsecured Loads Is A Public Safety Benefit

Policing Unsecured Loads Is A Public Safety Benefit

Unsecured loads are a danger to the occupants of a vehicle and this is an issue that is often misunderstood. Constable Kerry Schmidt of the Ontario Provincial Police (OPP) posted several photos on the OPP West twitter account showing a van loaded with various supplies...

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Kavanaugh and Ford Reveal Difficulty in Determining Truth

What is witness reliability? Yesterday's hearing in the U.S. regarding Brett Kavanough's nomination to the U.S. Supreme Court is an opportunity to high-light the difficulty that exists when attempting to draw conclusions about the truth of an incident based solely on...

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Fires After Impacts Should Not Be Inevitable

Fires After Impacts Should Not Be Inevitable

We do marvelous things to protect occupants from the forces of an impact, then we allow them to be burned to death in the aftermath. Than outcome should not be inevitable. Yet, fires appear to be occurring with greater regularity and little is done or said why this is...

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