关键词: 城市交通, 离站交通方式选择, 改进的NL模型;铁路客运枢纽;服务水平期望

Abstract:

Passenger’s offsite mode choice behavior is one of the key issues related to the rational traffic resource allocation. The existing mode choice models consider less on the level of service factors. To solve this problem, this paper first analyzes the offsite mode choosing mechanism of arriving passengers, and defines the service level expectations as service level factor variables. Then, it introduces the service level expectations variables into the utility function and formulates the improved offsite mode choice NL model. Finally, the model is validated with the survey data which is obtained in Chengdu East Railway Station, China by programming. The results prove the good accuracy of the improved mode choice model. However, the fitted value of public transport is slightly lower than the survey value. This is possibly because the mathematical expectation is used as the service level expectations values. Therefore, there are still some areas for improvement in the service level expectations index value selection.

Key words: urban traffic, offsite mode choice, improved NL model, railway passenger transport hub, service level expectations