Speeding is Best Predictor of Car Accidents
UNITED STATES – According to an online article at eurekalert.com, a study reveals that speeding is the most risky form of aggressive driving, and is the best predictor of car accidents.*
Researchers at the University of Waterloo analyzed data from 28 million trips for a possible link between four types of driving behaviors – hard braking, speeding, hard cornering and hard acceleration – and the potential for accidents.
Speeding was determined to be the riskiest form of aggressive driving, per the researchers’ review of the data from on-board devices in automobiles. Through their examination of the data, researchers were able to ascertain that speeding is a strong predictor of accidents.
Their analysis revealed that speeding is a strong predictor of crashes, while statistically significant links for the other kinds of aggressive driving couldn't be established.
"For insurance companies using this telematics data to assess who is a good risk and who isn't, our suggestion based on the data is to look at speed, at people driving too fast," stated Stefan Steiner, a statistics professor in Waterloo's Faculty of Mathematics.
Data that the researchers examined came from insurance companies in Texas and Ontario who had on-board diagnostic devices that were installed in their automobiles.
Initially, the researchers examined the data from the vehicular devices to identify 28 accidents based upon such factors as rapid deceleration. Each of these accidents was then matched with 20 control automobiles that were not involved in crashes, but were similar in terms of driving distance and geographic location.
When the accidents were analyzed against the control cases, speeding, out of the four types of bad driving behaviors, emerged as a significant difference between them.
"Some of the results are no surprise, but prior to this we had a whole industry based on intuition," said Allaa (Ella) Hilal, an adjunct professor of electrical and computer engineering. "Now it is formulated - we know aggressive driving has an impact."
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