Speed Blamed as Cause of Fatal Crash

Speed has been blamed for yet another truck accident in Oz. According to a report on www.northweststar.com.au police are investigating the cause of a fatal road train accident that took place just 14km east of Cloncurry last weekend.

According to police it seems the accident was caused by a speeding road train that overturned at the intersection of the Landsborough and Flinders Highway. The 49 year old road train driver was killed when the vehicle capsized. According to eye-witness reports it took almost 10 hours to cut the body from the wreckage.

This is what happened according to the report on Northweststar.com.au:

Sgt Hows said the truck was put back on its wheels on Monday morning and was loaded on to a truck to be transported to a QPS mechanic for a forensic crash investigation.

“We have yet to determine whether there were any mechanical issues with the truck,” Sgt Hows said.

Crash scene photographers have attended the site and tyre marks and road gouges would be investigated.

Mr Hows said the driver’s next of kin had not been notified so little information was able to be released.

“Due to the nature of the crash, there will be an autopsy of the body, and the forensic crash unit are still investigating the accident,” he said.

The driver’s last known break was an overnight stop at Tambo.

Sgt Hows said the first trailer of the truck was piggybacking an empty trailer and the second trailer was carrying aluminium sheeting.

“It was a fairly light load,” he said.

Source: http://www.northweststar.com.au/story/1482196/speed-blamed-for-fatal-crash/?cs=190

A large truck or road train usually overturns because of a number of reasons. A truck’s high centre of gravity is a major factor contributing to a vehicle’s likelihood of overturning. Often this occurs when the vehicle travels around curves, such as on- and off- ramps, where the truck turns but the load tends to continue along the original path and the vehicle rolls over.

Occasionally a driver can misjudge the speed at which a particular curve can be safely taken while in others it is simply a case of being in a hurry. A few speed related rollovers result from failure to adjust to loads being carried. The higher and heavier a truck’s load, the greater the need to reduce speed during manoeuvers.

Another reason why rollovers may occur is when loads are not properly secured. Drivers should check loads or ensure that they have been checked before proceeding on the journey.

Another cause of rollovers is control error. Most drivers of any vehicle learn how to steer, accelerate and brake very quickly, however in trucks steering can be the source of concern. One problem is turning either too much and precipitating a roll moment or too little and running off the road, where the drop-off causes the rollover. Another problem contributing to rollovers is overcorrecting for some path error and then having to swerve sharply to keep from going off the road.

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