| Research Article |
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Analysis of intercity travel in the Yangtze River Delta based on mobile signaling data |
| LI Ziyuan, SUN Hao, LI Linbo |
| Key Laboratory of Road and Traffic Engineering, Ministry of Education, Tongji University, Shanghai 200000, China |
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Abstract The scale and spatial distribution of travel demand are important for transportation planning. The stable travel demand network among 306 counties in the Yangtze River Delta (YRD) was extracted from mobile phone signaling data. The scale and spatial distribution characteristics of intercity travel in the YRD were analyzed from nodes and edges based on the complex network analysis method. The results show that extensive intercity travel links have been formed in the YRD. However, only a few counties within Nanjing, Suzhou, Wuxi, Changzhou, Shanghai, Hangzhou, Zhenjiang, Shaoxing, and Chizhou etc. have high-intensity intercity travel. Moreover, the economic scale, geographical location, and transportation conditions of counties affect the capability and intensity of intercity travel. The spatial distribution of intercity trips has evident spatial proximity and intensity hierarchy. High-intensity trips are responsible for 39.4% of the trip intensity with 0.05% of the number of links. The intercity trips still have a centripetal nature.
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| Keywords
urban agglomeration
intercity travel
mobile phone signaling
complex network
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Issue Date: 16 June 2022
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2022,
Vol. 62
