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Environmental determinants of celeration behaviour
1a Uppsala University , Sweden.
International Journal of Occupational Safety and Ergonomics : JOSE
|September 2, 2015
Summary
Driver speed change behavior predicts accidents. Vehicle weight influences cautious driving, but traffic density does not reliably affect driving behavior or accident risk.
Area of Science:
- Traffic Safety Research
- Driver Behavior Analysis
- Human Factors in Transportation
Background:
- Celeration, or speed change behavior, is a key predictor of traffic accident involvement.
- The underlying causes of driver celeration behavior remain largely unspecified.
- A model is proposed where celeration results from a combination of driver disposition (driving style) and environmental factors.
Purpose of the Study:
- To investigate the origins of driver celeration behavior.
- To examine the influence of traffic density, route regularity, and vehicle load on celeration.
- To address measurement challenges related to celeration behavior.
Main Methods:
- Studied celeration behavior in two small samples of Swedish truck drivers over several months.
- Measured the effects of traffic density, regular versus irregular routes, and vehicle load (loaded/unloaded) on celeration.
- Collected data on driver behavior and environmental conditions.
Main Results:
- Vehicle load significantly impacted celeration behavior; drivers were more cautious when vehicles were heavier.
- Driving on different types of roads resulted in observable differences in celeration behavior.
- Traffic volume did not demonstrate a reliable effect on driver celeration behavior.
Conclusions:
- Vehicle weight is a significant factor influencing cautious driving behavior.
- Environmental factors, such as road layout, play a role in shaping driver celeration.
- Traffic density appears to have a negligible impact on driver speed change behavior and accident prediction.
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