| LOW-CARBON TRANSPORTATION & GREEN DEVELOPMENT |
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Policy recommendations for green travel in medium cities based on signaling data |
| LÜ Yuan, GE Haojing, JIAO Pengpeng |
| Beijing Laboratory of General Aviation Technology, Beijing University of Civil Engineering and Architecture, Beijing 100044, China |
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Abstract [Objective] Urban traffic is a vital factor in determining urban competitiveness, which is an essential aspect of determining urban vitality and crucial for improving urban livability. With the increasing demand for urban motorized travel, traffic conflicts and low road efficiency have become more evident in the central parts of cities. These issues hinder the successful development of the city and affect the quality of life of the residents. By further elucidating and analyzing the travel characteristics of different regions, we can implement targeted strategies to improve traffic conflicts, maintain road order, and enhance road efficiency and safety. [Methods] This paper proposes a transportation mode detection method based on signaling data to formulate travel policies to help mid-sized cities for realizing green and sustainable development. The proposed method considers the characteristics of signaling data in mid-sized cities. This paper analyzes the possible range of the traveling time and distance. Moreover, when exploring travel characteristics, the proposed method does not directly trust the signaling timestamp and does not directly use the Euclidean distance between base stations. It neither uses the shortest distance in the road network nor the road network distance based on a certain mapping rule. The traveling speed range is determined according to the base station positioning principle and information reporting mechanism. The map application programming interface (API) is used to obtain the speed of different traffic modes, accurately achieve the travel characteristics of the residents, and formulate targeted policies. When using the map API, the travel strategy of residents, traffic flow information, and network structure are considered. The detection is completed by the speed interval adjustment and the Logit model based on the travel time reliability perception. The limitations of positioning accuracy and time granularity make it a challenging task to mine and verify the characteristics. However, introducing multisource data when the standard dataset has not yet been constructed helps address this issue. [Results] The study used air pollutant emission data and intersection flow data to verify the mode detection results of large-scale areas rather than using only the official mode share statistics for verification. Then the transport modes detection method was used to analyze the travel structure of the central area in Jingzhou. The method could effectively detect transportation modes by extending temporal, and spatial information by considering the road network, and travel strategies of the residents. [Conclusions] The results demonstrate that during peak hours, the high traffic demand of schools and the concentrated parking contradiction around hospitals aggravate traffic congestion. It is necessary to strengthen the traffic organization and management of the academic and medical circles to reduce emissions in the low-speed driving stage of motor vehicles. The attraction of traditional public transportation during peak hours is insufficient, and the local conditions for opening demand-responsive buses are available. The inevitable increase in population will attract more residents who initially used individualized motorized traffic. People have a clear preference for transportation when the origin and destination are the same (interval distance of approximately 3 km) and the travel time of individual motorized travel and cycling is close. Appropriate sharing of nonmotor vehicles, along with traffic organization and management, can encourage specific groups to use nonmotor vehicles.
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| Keywords
transport mode
signaling data
green travel
medium cities
air pollutant emission
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Issue Date: 16 October 2023
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2023,
Vol. 63
