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.
Crash Data Recorders
Trials and Testimony
Site and Vehicle Examinations
If possible, call us immediately after an accident occurs so we can attend the crash site and document evidence before it is altered and destroyed. We can also provide examinations after vehicles are moved to a holding compound.
During examinations, we use still and video cameras to document evidence and measure the site to create a scale diagram. Any evidence found is secured for analysis. At the holding compound, vehicles are photographed and the location of collision evidence is measured along with the profile and magnitude of crush. The status and functioning of safety devices are documented – the Crash Data Retrieval toolkit is used to download crash data from air bag control
If required, we re-attend the collision site or vehicle for additional observations and analysis. At a collision site we may set up a roadway grid to document the speed, position, and specific behaviours of drivers – captured by video camera mounted to a 20-foot pole. The output displayed from a radar gun is videotaped to assess the likely speed of typical vehicles, which is used as a reference toward estimating the actions of an accident-involved driver.
We re-create night time accident scenarios using similar vehicles and lighting conditions. Police assistance may be used to close a road segment or natural reactions are obtained without a driver’s awareness of the testing.
The National Automotive Sampling System (NASS), a division of the U.S. National Highway Traffic Safety Administration (NHTSA), is an invaluable database to those in the insurance and legal industries.
The Crashworthiness Data System (CDS) of NASS keeps data on thousands of crashes. Research teams at Primary Sampling Units across the country study 5,000 crashes annually. Skid marks, fluid spills, broken glass, and bent guardrails are studied at crash sites. Vehicles are then located to be photographed, measured, and to identify the interior locations struck by occupants. Researchers then interview crash victims and review medical records to determine the nature and severity of injuries.
There are more than 140,000 crash files in the NASS CDS. Although they are designed for analysis with a specialized statistical analysis package, analysis can also be conducted simply by going to the Web site and selecting a list of cases meeting specified criteria.
A summary of collisions in September of 2018 that have been reported by official news agencies in Southern Ontario has provided some expected revelations. This summary is from news stories focused in areas of Southwestern Ontario and the Greater Toronto Area (GTA)...read more
Gorski Consulting has completed a second round of observations of cyclist speeds at the Meadowlily Road slope south of the old Thames River bridge in London, Ontario. Average speeds were calculated from observations made on August 31, 2018 however not enough data was...read more
Moving queues of stopped traffic on major expressways are a serious problem for public safety. Drivers who may travel for several hours at speeds of over 100 km/h develop the expectation that this free flow will continue into the immediate future. Maintaining a...read more
How drivers perceive and react to traffic events is an important issue. In the North American judicial systems it can mean whether you are charged with a criminal offense, pay large amounts in a civil claim, or are denied compensation for a catastrophic injury. Many...read more
The OPP provided some good advice to the public when submitting the above photo on their Twitter account. In the immediate duration before a crash every additional second is extremely important and can be the difference between a pedestrian successfully avoiding an...read more
August 28, 2018 was "Observation Day" for the Trafalgar Bike Path in east London, Ontario. This was the day that Gorski Consulting set-up 10 video cameras and documented the speeds of cyclists going up and down the slope from the north side of the new CN bridge to...read more
Gorski Consulting has expressed concern with respect to the safety of cyclists and pedestrians along London's new multi-use path at its junction with Trafalgar Road in east London, Ontario. Those concerns have been previously highlighted in other news items on this...read more
Gorski Consulting is proceeding with assessment of the safety of the new multi-use path that was completed earlier this year south of Trafalgar Road in London, Ontario. Previous postings on this website indicated our concerns that the northward downslope of the path...read more
Highway median cross over collisions can be deadly. Therefore it is good news that a transport truck was kept within the median of Highway 401 rather than crossing into opposing lanes near Kenesserie Road on Saturday, August 18th, 2018. But the issue is more...read more
The OPP uploaded several photos of two vehicles involved in a fatal collision on Hwy 48 north-east of Toronto over the weekend. The photo above shows the two involved vehicles. A 25-year-old female occupant of one of the vehicles reportedly sustained fatal injuries....read more
Gorski Consulting is conducting a variety of testing involving bicycling on vertical alignments on roadways and bicycling paths. Testing is being prepared along a new section of a bicycling path completed in the summer of 2018 in east London, as shown in the above...read more
A well-meaning decision to re-align the difficult curves of "Snake Hill" along the west portion of Commissioners Road in London, Ontario may lead to dangerous conditions for cyclists riding on the steep downgrade that City staff and politicians may have...read more
Zygmunt Gorski has been involved in the analysis of motor vehicle accidents since 1980. Initially employed as an accident investigator with the University of Western Ontario Multi-Disciplinary Accident Research Team (1980-90), Gorski then worked as an Accident Reconstruction Consultant with a forensic engineering firm in Kitchener and Toronto (1990-95), before opening his own consulting business in 1995 which he continues to operate to this day. Although Gorski’s interest has always focused on the physical evidence resulting from motor vehicle collisions, he has been involved in a variety of analyses ranging from injury assessments in his earlier times to the use of multiple video cameras and roadway safety issues in more recent years.
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