| With the rapid development of urbanization and motorization, the urban population is increasing and the demand for urban public transport is growing. At the same time, the road traffic flow is increasing, and more and more people pay attention to the safety of the city bus. The study showed that the driver is the primary factor in road traffic accidents.Therefore from the bus driver to research the safety of their driving behavior is very significant to the safe operation of the bus and urban transport development.The bus driver as the main participant of his driving behavior, mainly through the vision obtains information, thereby make a series of driving manipulation. But in different road traffic environment, the visual characteristics’ change of the bus driver is also different. Base on the theoretical analysis of the driver’s visual characteristics, mainly focus on the relationship between the bus driver’s driving behavior and visual characteristics and regularity. By designing the bus driver’s real vehicle test use eye tracker to get the bus driver’s visual characteristic parameters in the driving process, and analyze the bus driver’s visual focus time, blinking frequency, blinking duration, head rotation angle and other parameters,at last come to the relevant theory with the bus driver’s safety driving behavior.The analysis of experiment data shows that under different road traffic environment the driver’s visual focus time holds the leading position of total visual time, and as the complex of road traffic environment, driver’s visual focus time is increasing. Meanwhile, as road environment is more and more complex, the bus driver’s blinking frequency is increasing, blinking duration is reduced. It is showed that in complex cases the bus driver is mental tension and high concentration. Through the analysis of the bus driver’s head rotation angle, under different road conditions the bus driver’s head rotation angle is different, and the more complex the bigger. |
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