Computation model of safety level of service for non-signalized intersection

Pan Fu-quan; Lu Jian; Xiang Qiao-jun; Zhang Guo-qiang

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Pan Fu-quan, Lu Jian, Xiang Qiao-jun, Zhang Guo-qiang. Computation model of safety level of service for non-signalized intersection[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 104-111.

Citation:

Pan Fu-quan, Lu Jian, Xiang Qiao-jun, Zhang Guo-qiang. Computation model of safety level of service for non-signalized intersection[J]. Journal of Traffic and Transportation Engineering, 2007, 7(4): 104-111.

Citation:

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Computation model of safety level of service for non-signalized intersection

School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China

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Author Bio:
Pan Fu-quan (1976-), male, doctoral student of engineering, +86-25-83790776, panfuquan@sina.com

Lu Jian (1957-), male, EngD, professor, +86-25-83790776, Lu@eng.usf.edu
Received Date: 2007-02-05
Publish Date: 2007-08-25

Abstract

Abstract

In order to objectively evaluate the traffic safety performance of non-signalized intersection, the safety level concept of service for intersection was put forward, the influences of objective factors on the safety level of service were analyzed, its evaluation project was given, its main model was build based on the conflict points of power-driven vehicles, non-power-driven vehicles and pedestrians, its correctional model was set up according to minor influencing factors, such as intersection geometry property, traffic signs, etc, and its total model was put forward based on the two models. In order to validate the rationality of the total model, safety level of service was divided into one to four levels according to the data of many intersections. Validated result shows that the risk index value of real intersection is 200.7, its safety level of service is third level, which accords with its real condition, so the model can effectively evaluate the safety of non-signalized intersection.
- traffic safety,
- non-signalized intersection,
- safety level of service,
- computation model

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References(24)

References

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