Traffic Conflicts in An Expressway Construction Zone

Further analysis and discussion has been provided in a new Gorski consulting article entitled “Traffic Conflicts In An Expressway Construction Zone”. This is in addition to a previous article posted on the Gorski Consulting website on July 17, 2020 entitled “Trench Warfare in the Expressway Construction Zone”. The new article can be viewed through the link below.

http://www.gorskiconsulting.com/newsarticles/Traffic Conflicts In An Expressway Construction Zone – Aug 1-20.pdf

Vehicular Drownings in Region of Chatham-Kent And Essex Counties

On the evening of July 27, 2020 a vehicle carrying three children travelled off the gravel surface of Jacob Road in Chatham-Kent Ontario. The vehicle came to rest upside down in a water channel adjacent to the road. While the driver managed to retrieve two of the children, the third child, a 7-year-old female, drowned. News media described the channel as a “water-filled ditch”. That is not exactly what it was. It was a water channel. Essentially a river of still water. The Google Maps view of the area, shown below, confirms that this was not just a regular, roadside ditch that happened to be filled with excess rain water.

The problem is that many rural roads in the Chatham-Kent area and the nearby counties of Essex and Lambton contain such roadside channels of water. And many roadside ditches are deep or are narrow with steep banks. They have been the sites of many drownings in the past. The total number of these drownings is unknown as there is no public count. These isolated incidents become mere statistics that are lost in the general hum of public information overload.  Gorski Consulting has attempted an unofficial count from public news media reports. But this method is insufficient as many incidents are either not reported in news media or the effort to collect this data is not practically possible.

We know that on June 16, 2019 three occupants of a vehicle drowned in a similar “ditch” to the one shown above near Leamington, Ontario.

On August 9, 1919 a driver almost drowned at a roadside pond next to McHigh Street in Windsor, Ontario. A Jeep was sinking in the pond with the driver unconscious and still surrounded by his seat-belt. Fortunately another driver swam out and attempted to pull the man out but the doors would not open. The driver eventually awoke and crawled out through a rear hatch window that was smashed by one of the rescuers.

On April 17, 2918 police found a vehicle in the “water-filled ditch” at the intersection of Tecumseh Road and Lighthouse Road in Chatham-Kent, as shown in the OPP photo below.

There were no reports of injury and comments were made that drivers were not paying attention to the wintery road conditions. Subsequently, on November 12, 2019, a woman was found dead in her submerged car in the “water-filled ditch” at the same intersection. The vehicle was found by a passerby at 0700 hours and it was presumed the woman drowned some time during the night. The characteristics of the “ditch” were no different than the channel of water shown in the above photo.

On April 22, 2018 a vehicle became submerged in Little Bear Creek when it left Essex County Road 42 between Gracey Side Road and Highway 401. A deceased driver was found in the submerged vehicle.

On April 22, 2018 a teenager drowned in an upside down vehicle that became submerged in a water-filled ditch adjacent to Border Road in Wallaceburg, Chatham-Kent. The precise location of the incident was never revealed.

On June 30, 2018 the local OPP near Sombra, south of Sarnia, Ontario reported finding a deceased female in a car that was found submerged in the St Clair River. No information was provided as to the specific location where the drowning occurred.

It was reported that on October 15, 2018 a female driver escaped her vehicle which was sinking in the Thames River in Dover Township in Chatham-Kent. No information was provided as to the specific location of the incident.

On August 3, 2018 a truck owned by the Municipality of Lakeshore rolled over into a ditch on Golfview Drive near the village of St Joachim, near the border of Essex and Chatham-Kent Counties. Although the truck came to rest on its side it was also on a steep slope where the cab would have been further into the ditch than its wheels. There was no mention of the extent of water in the ditch. While both occupants of the truck escaped the situation could have been life-threatening in environmental conditions where water became collected in the ditch and the occupants were unable to exit the truck cab.

On March 25, 2018 a vehicle left Bear Line northwest of Chatham, Ontario and plunged into Little Bear Creek. Fortunately the driver was able to escape the submerged vehicle.

As a result of a two-vehicle collision at the intersection of Essex County Roads 15 and 18, south of Windsor, Ontario on July 22, 2018, one of the vehicles came to rest upside down in a ditch. Examination of the site showed that at least one of the ditches was filled with water. Injuries were reported, including children, but the relevance of the water-filled ditch was not discussed.

This summary covers a period of approximately 2 years. There have been numerous similar incidents throughout the years previous to 2018 in the Counties of Chatham-Kent, Essex and Lambton. But attempts to gain any accurate extent of the problem are difficult.

One can pursue the Ontario Road Safety Annual Report (ORSAR) however a complete version has not been made publicly available since 2016. Examining the 2016 Report shows a chart of “Selected Diagnoses of Motor Vehicle Collision Injuries Hospitalized in Ontario”. Out of 5196 hospital admissions the highest number of injuries involved fractures to a lower limb at 1142 incidents. Yet an item entitled “Other Diagnosis” contained 1120 incidents. Whether some of these other injuries relate to drownings is unknown.

Police reports in Ontario classify injuries according to a 4-point scale: Minimal, Minor, Major and Fatal. A person who drowns may not exhibit any external injury therefore it is unclear how persons who die from drowning, or who almost drown, can be properly classified according to this scale.

In a table entitled “Motor Vehicles Involved in Collision Based on Initial Impact”, the 2016 ORSAR indicated that there were only three incidents of vehicle submersion in Ontario and these resulted in Property Damage Only collisions, meaning that they involved no injuries or death. Given the incomplete summary described earlier in this article there is a suggestion of a discrepancy in these facts. Even though Gorski Consulting has not been involved in a through examination of all drowning incidents in Ontario, an examination of drowning incidents reported in news media in 2016, showed 22 such incidents.

In a November 15, 2016 article published by the London Free Press, the Lifesaving Society of Canada provides some statistics about drownings. That organization reported 113 drownings in Ontario in 2016 and these were sub-divided as noted below:

Swimming = 39

Boating = 26

Transportation = 19

Non-aquatic = 21

Unknown = 8

These data showing 19 transportation related fatalities do not seem to match the official Ministry of Transportation data. The ORSAR refers to incidents based on “Initial Impact” so it is possible that many drownings are not included if they occur subsequent to an initial impact with something. That is not helpful since it stands to reason that a majority of incidents where a vehicle enters a body of water are likely to involve an initial impact with either another vehicle, a roadside barrier or other objects. Clearly the ORSAR designation is not helpful in documenting such drowning incidents. There is a further lack of assistance in that a full ORSAR has stopped being publicly available since 2016.

With respect to the drowning death of the 7-year-old child on Jacob Road in Chatham-Kent the investigating police provided the following photo of the site, which is a view looking north with the water channel located at the right edge of the photo. A dark tire mark can be seen in the grass leading from the gravel road surface toward the “water-filled ditch”.

Many persons looking at the above photo would no recognize the  important features of the gravel surface and its possible significance to the collision. On rural, gravel roadways there are typically three channels produced by the tires of passing vehicles. This is the case because the driver’s side tires of vehicles, irrespective of the travel direction of the vehicle, occupy the same lateral location on the road. There channels become more pronounced as more vehicles travel on the surface. Evidence of a lack of these three channels is shown in the above photo. While there appear to be two channels, the remaining road surface appears to be undisturbed suggesting that the gravel surface was recently regraded. Previous testing on fresh gravel surfaces indicates that loss-of-control is quite likely at speeds above 60 km/h. Yet when a vehicle travels within the hard-packed channels of beaten down gravel speeds of 80 km/h are easily attained without much concern. Yet it is this difference between the qualities of the two surfaces that can be a major safety concern. A vehicle that strays slightly out of the confines of these beaten down channels can suddenly enter an area of loose gravel resulting is a sudden loss of traction that may exist on only one side of the vehicle. This difference in tire traction with respect to the centre-of-gravity of a vehicle can produce the rotational force about the vehicle’s centre-of-gravity that, along with inappropriate driver inputs, progressively leads to a vehicle’s loss of control.

Furthermore, an article written by the Chatham-Kent Daily newspaper indicated that the involved vehicle was a pick-up truck. In a 3 year study of Light Truck and Van (LTV) collisions conducted at the University of Western Ontario Multi-disciplinary Accident Research Team in London, we noted that loss-of-control of LTVs was more common, particularly on gravel roads.

In many instances there is a lack of understanding of basic safety issues such as the existence of narrow and steep-sided ditches which are more-likely to cause rollovers, while also trapping occupants of vehicles when the opening of doors can be prevented by the presence of steep sloping embankments. A vehicle that comes to rest upside down in such a narrow ditch makes it more likely that any small amount of water could be deep enough to envelope a substantial volume of a vehicle interior. There are also safety issues related to the difficulty of removing seat-belts and jamming of door mechanisms that are not being addressed.

When these facts are combined with the fact that the “water-filled ditch” at Jacob Road site was immediately adjacent to the roadway, the probability that a life-threatening incident might occur was quite high. While police reported that the driver was likely impaired, the circumstances could have resulted even if a driver was not impaired. While much media and police attention was placed on this driver impairment nothing was brought to the public’s attention about the dangerous conditions of the road surface and roadside. This remains a common issue as those official entities who are responsible for the physical condition of a roadway have a vested interest in down-playing the significance of roadway factors that cause or contribute to collisions. Privacy legislation also results in the silencing of many first responders who might otherwise recognize a safety problem but are mandated to remain silent. Such systemic problems make it difficult to identify road safety problems and to correct them.

Multiple Bus Fatalities While Canada Continues Its Mushroom Cultivation

Multiple bus fatalities have once again dominated Canada’s headlines yet we have learned nothing from any previous catastrophe. The latest tragedy reportedly occurred yesterday, July 18, 2020, on Highway 93 at the Columbia Icefield between Banff and Jasper national parks in Alberta. Presently three persons are confirmed dead but there are multiple passengers who sustained critical injuries and the fatality count may increase.

An eerie silence still resonates over the previous multiple-fatality bus crash involving the Humboldt Broncos crash in April of 2018. The official police report of that crash has never been made public thus the cause of the multiple fatalities has also never been publicly disclosed. Similarly, a bus crash near Ottawa in 2013 caused six fatalities and an obvious separation of the bus structure could not be ignored. And again in January of 2019 another multiple-fatality bus crash in Ottawa occurred when a double-decker bus had its structure torn apart from striking an overhang at a bus stop. These crashes led the Transportation Safety Board to comment in January of 2019 that better national crashworthiness standards are needed for buses and other commercial vehicles.

Throughout the spring and summer of 2019 the Federal government has held meetings in a parliamentary committee organized to consider the safety status of buses. Professor Ahmed Shalaby of the University of Manitoba has been a forerunner in demanding improved standards and through his diligence a brief was submitted (co-authored by Zygmunt M. Gorski) to the committee discussing these issues. Yet Professor Shalaby has also demonstrated that the parliamentary committee has been shut down as a result of the elections in the fall of 2019 and nothing has been done by parliament to reactivate the safety committee.

No one needs to work on a mushroom farm to know how its activities relate to Canada’s reluctance to keep the public informed on bus safety issues.

Typo Correction: “1122 Vehicles” Was likely “112” Vehicles

 

The perils of publishing.

For those who have been examining our April 11, 2020 article “COVID-19 Effects on Highbury Ave Traffic – Review & Discussion of Data”, a typo error was discovered regarding the testing of November 7, 2019 on Highbury Ave at Commissioners Road. Note the sentence for the article below:

“Data indicates that over the half hour of observation on November 20, 2019, 1122 vehicles entered Highbury from this on-ramp.”

The “1122” vehicles is clearly an typo and should likely read “112” vehicles. We cannot be sure of the precise number without reviewing the half hour of video again to count the numbers. For now, we simply make note of the typo and we apologize for the error.

Trench Warfare in the Expressway Construction Zone

We have all seen it. The battles of the expressway construction zone. But rarely do we discuss it. The battles and dangers that exist in the line-ups approaching construction zones on high-speed expressways are something that is rarely discussed or detailed.

As part of our ongoing safety research Gorski Consulting has conducted a detailed examination of the actions of drivers within a line of stopped/slowed traffic approaching a construction zone on the Highbury Ave expressway near Commissioners Road in London, Ontario, Canada. Previously testing was conducted at this site on April 7, 2020 and reported in an article (“COVID-19 Effects on Highbury Ave Traffic – Review & Discussion of Data”) posted on this website on April 11, 2020. That article provided details of the change in traffic volumes and speeds compared to a previous testing date in November of 2019. The April 7, 2020 occurred just prior to the commencement of construction to re-build the bridge over the Thames River a few hundred meters north of the testing site. The Googlemaps view below shows the location of the construction site with respect to the location of the testing site. The distance between these locations is about 1.1 kilometres.

Below are several views travelling south along Highbury Ave from the bridge construction and showing the Commissioners Road overpass in the background. All these photos were taken on July 16, 2020.

Below are several views while travelling north on Highbury Ave, past the testing site, and through to the construction zone at the Thames River bridge. All these photos were taken on July 16, 2020.

As typical, the testing on July 15, 2020 involved set-up of multiple video cameras in a 400-metre zone, 200-metres each to the north and south of the Commissioners Road overpass. Some cameras were positioned on the overpass facing north and south.

Below are several views from one of the cameras on the overpass, facing north and showing the conditions of the northbound lane just after 1600 hours. The scenario shown in the views is typical of what happens when the right lane becomes clogged with traffic and the left lane is free and clear. It has been customary for drivers to pull into the right lane early so as not to have problems trying to squeeze into the lane when the left lane is closed in the distance. However some drivers use this as an opportunity to use the left lane to pass all the stopped traffic resulting in irritation from those drivers in the right lane. The result is that some drivers, often those with large and heavy trucks, will pull out and block the left lane in order to stop those drivers using that lane to pass stopped traffic. This is what is shown in the sequence of photos below.

This is typical of the trench warfare that continues on a daily basis on approaches to construction zones. The Ontario Ministry of Transportation has commented that drivers should use a “zipper merge” procedure in heavy traffic such that both lanes should be populated up to the location of the closed lane. At the point where the lane closes drivers are supposed to alternate merging into the remaining lane. While this may work in theory the practical reality is that drivers have difficulty waiting until the last possible moment to change lanes when it is left to the cooperation of other drivers to “let them in” to the only available lane. Timing of the lane change is also difficult for drivers to grasp with respect to the end of the closed lane and the differences in speed of traffic also make this lane change challenging. The result is that there are many conflicts that occur, some leading to potentially dangerous outcomes.

There are many challenges that exist on expressways involving stopped or slowed traffic which will be discussed in other upcoming articles on this website.

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