Hybrid-Data Approach for Estimating Trip Purposes

Author:

Luo Xiaoling1ORCID,Cottam Adrian2ORCID,Wu Yao-Jan2ORCID,Jiang Yangsheng34

Affiliation:

1. Chongqing Key Laboratory of Traffic & Transportation, College of Traffic and Transportation, Chongqing Jiaotong University, Chongqing, People’s Republic of China

2. Department of Civil and Architectural Engineering and Mechanics, University of Arizona, Tucson, AZ

3. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, Sichuan, People’s Republic of China

4. National United Engineering Laboratory of Integrated and Intelligent Transportation, Chengdu, Sichuan, People’s Republic of China

Abstract

Trip purpose information plays a significant role in transportation systems. Existing trip purpose information is traditionally collected through human observation. This manual process requires many personnel and a large amount of resources. Because of this high cost, automated trip purpose estimation is more attractive from a data-driven perspective, as it could improve the efficiency of processes and save time. Therefore, a hybrid-data approach using taxi operations data and point-of-interest (POI) data to estimate trip purposes was developed in this research. POI data, an emerging data source, was incorporated because it provides a wealth of additional information for trip purpose estimation. POI data, an open dataset, has the added benefit of being readily accessible from online platforms. Several techniques were developed and compared to incorporate this POI data into the hybrid-data approach to achieve a high level of accuracy. To evaluate the performance of the approach, data from Chengdu, China, were used. The results show that the incorporation of POI information increases the average accuracy of trip purpose estimation by 28% compared with trip purpose estimation not using the POI data. These results indicate that the additional trip attributes provided by POI data can increase the accuracy of trip purpose estimation.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Civil and Structural Engineering

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