Abstract
Daily travel is an important means for everyone to obtain the right to development. With the development of the economy and the progress of the times, the equalization of public infrastructure has become an important concern. The accessibility and fairness of transportation have become a hot topic of research in various fields. To promote transport equity and formulate more reasonable transport planning and policies, this paper takes the Kunshan city as the research object, based on the mobile phone signaling data and the travel time consumption data from the application programming interface (API) of Gaode Map, using weighted average accessibility and the Theil index to investigate the accessibility and equity of public transport and car traffic in the Kunshan city. The study found that the accessibility of public transport is lower than that of car transport in the same research unit, but the equity of public transport is better than that of car transport, that is, the public transport is fair and the efficiency is neglected. In the same mode of transportation, equity presents a high four-week low distribution in the central urban area, and the spatial equity difference is mainly caused by the difference in accessibility levels between cell units. According to the research conclusions, it is recommended that Kunshan further optimize the spatial layout of public transportation infrastructure and adopt measures such as bus speed increase to achieve equity and efficiency and improve the competitiveness of public transportation.
Highlights
To solve the urban traffic problems and promote the sustainable development of the city, it is necessary to formulate reasonable traffic policies to ensure the benign operation of the urban traffic system
Gaode Map application programming interface (API). e travel times obtained based on this method are more accurate
In terms of public transport accessibility (Figure 2), the accessibility of most areas is concentrated between 30 min and 90 min. e areas with low accessibility are mainly located in the peripheral areas of the city, mainly along the eastern side of Yangcheng Lake, the northern part of Dianshan Lake, and the Tianfu National Wetland Park, where the network of public transport lines is sparse, and the coverage of public transport is insufficient compared to the central city and its surrounding areas
Summary
To solve the urban traffic problems and promote the sustainable development of the city, it is necessary to formulate reasonable traffic policies to ensure the benign operation of the urban traffic system. New York City released the One New York Plan for a Strong and Just City (2014–2040) in 2015, which sets out a vision for a fair and just city [1]. E City of London released the London Plan in 2015, which set out its vision for 2036 to provide equal life opportunities for all [2]. In October 2016, the UN-Habitat III Conference took up sustainable development as its theme, discussing and signing the New Urban Agenda. It sets a new global standard for sustainable development in cities around the world, which refers to providing basic services for all citizens and ensuring equal opportunities for citizens without discrimination. It is important to ensure the accessibility and fairness of public transport. e “Public Transport 1.5 Strategy” proposed by Shenzhen in 2015 has become a reasonable reference target for public transport construction in China. e total time spent on public transport, including walking to the bus stop, waiting for the bus, taking the bus, and walking to the destination, is within 1.5 times that of a car
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