Abstract
In recent years, mobile phone navigation software has been widely used, but the voice broadcast information of many navigation software is not clear, which is easy to cause confused driving. Urban expressway is an important artery of the city. The road and traffic conditions of urban expressways are extremely complicated, and there are many types of exits, which can easily cause confused driving. Therefore, optimization of navigation modes under the condition of multi-exit urban expressways is particularly important. Based on the experimental data of simulated driving, this paper focuses on the influence of voice navigation broadcast timing on driving under urban expressway, founding driver’s behavior is significantly different under diverse navigation modes. This paper uses the principal component analysis method to comprehensively evaluate the navigation broadcast timing, and gives the optimal navigation broadcast timings for various multi-exit urban expressways. In most cases, the first broadcast time should be 1500m from the exit. This paper clarifies the impact of navigation broadcast timing on driving, and optimizes the navigation mode of multi-exit urban expressways, which is of great significance for reducing yaw under navigation and improving navigation services.
Highlights
The urban expressway is an important artery for the whole of city
The experiment found that the earlier the car navigation information is provided for the first time, the more fully prepared the driver is for changing lanes, and the better it is for driving comfort [5]
This paper studies the influence of different navigation broadcast timings on driver’s behavior based on the experimental data of simulated driving
Summary
The urban expressway is an important artery for the whole of city. The distribution of lanes and exits on urban expressways is complex, and there are many exits. Drivers driving on unfamiliar express roads need to rely on the reasonable guidance of Mobile navigation. Accurate and efficient navigation guidance is of great significance for driving on expressway. There are many types of mobile navigation software in our country, with different navigation modes. The navigation mode studied in this paper refers to the timing of navigation broadcast. Perform data cleaning, eliminate abnormal values, so as to extract 9 indexes that characterize driving behavior under different navigation broadcast timings. Based on driving behavior indexes, this paper studies the influence of different navigation broadcast timings on the behavior of drivers on multi-exit expressway. The principle component analysis method is used to evaluate different navigation broadcast timings, so as to obtain the optimal navigation mode
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