Analysis of Urban Congestion Traceability: The Role of the Built Environment

Chenguang Li, Duo Wang (), Hong Chen and Enze Liu
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Chenguang Li: College of Transportation Engineering, Chang’an University, Xi’an 710064, China
Duo Wang: College of Transportation Engineering, Chang’an University, Xi’an 710064, China
Hong Chen: College of Transportation Engineering, Chang’an University, Xi’an 710064, China
Enze Liu: College of Transportation Engineering, Chang’an University, Xi’an 710064, China

Land, 2024, vol. 13, issue 2, 1-15

Abstract: Analyzing the factors influencing traffic congestion is essential for urban planning and coordinated development. Previous research frequently focuses on the internal aspects of traffic systems, often overlooking the impact of external factors on congestion sources. Therefore, this study utilizes a geospatial dataset and mobile signaling data, firstly applying the Fuzzy C-Means (FCM) algorithm to identify congested roads of different levels and trace the localization of travelers’ origins on regional congested roads. Furthermore, it employs the LightGBM method to study the influence of the built environment of various congestion sources on network-level congestion. The findings are as follows: (1) There is a positive correlation between traffic congestion and geographical location, with congestion predominantly caused by a few specific plots and demonstrating a concentrated trend in city centers. (2) Residential population density is the most critical factor, accounting for over 12% of the congestion contribution, followed by road density and working population density. (3) Both residential and working population densities show a non-linear positive correlation with congestion contribution, while the mixture of land use displays a non-linear V-shaped influence. Additionally, when residential population density is between 8000 and 11,000, it notably exacerbates congestion contribution. Significantly, by emphasizing land use considerations in traffic system analysis, these findings illuminate the intricate linkages between urban planning and traffic congestion, advocating for a more comprehensive approach to urban development strategies.

Keywords: congestion traceability; built environment; LightGBM; multi-source (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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