As an important driving force for economic growth, transportation infrastructure can effectively integrate regional resources, deepen regional cooperation, and promote the rational utilization of resources. The cross-regional connectivity of transportation infrastructure makes its spatial spillover effect more prominent. In this article, the entropy weight method is used to construct a comprehensive index reflecting the traffic infrastructure of 41 prefecture-level cities in the Yangtze River Delta, and the spatial distribution characteristics are analyzed. Based on three spatial weight matrices, the spatial Durbin optimization model is used to investigate the spatial effect of transportation infrastructure on economic growth in the Yangtze River Delta. The results show that the regional transportation infrastructure and economic growth have significant spatial agglomeration characteristics and that the development of eastern cities is better. The transportation infrastructure of each city not only drives its own economic growth but also has a positive spatial spillover effect on the economic growth of adjacent areas. In order to achieve high-quality and integrated development in transportation, and to narrow the gap of transportation development in the Yangtze River Delta, we recommend that the spatial spillover effect of the transportation infrastructure on economic construction should be given full consideration.
The development of urban resilience is inseparable from the construction of urban infrastructure. As an important lifeline of the city, transportation infrastructure is an important part of improving urban resilience. Studying the coordinated development degree of urban resilience and transportation infrastructure level is related to the future development of the city. On the basis of measuring the urban resilience and transportation infrastructure level in the Yangtze River Delta, this study uses the coupling coordination model and spatial autocorrelation model to explore the spatiotemporal evolution trend of the coupling coordination between urban resilience and transportation infrastructure level. The results show that first, the average development levels of urban resilience and transportation infrastructure are at the middle and lower levels, showing a spatial pattern of “high in the southeast and low in the northwest.” Second, the degree of coupling coordination fluctuates and rises and is in the transition stage from mild imbalance to primary coordination. Finally, the degree of coupling coordination is spatially positively autocorrelated, and the degree of agglomeration shows a stable development trend, but the difference of coordinated agglomeration between cities is expanding. To enhance the security and sustainable competitiveness of the Yangtze River Delta, this study argues that it is urgent to establish the concept of resilient urban development and promote the integration of urban agglomeration transportation infrastructure to promote the coordinated development of urban safety systems and infrastructure. Suggestions were recommended to efficiently improve the urban resilience and transportation infrastructure level in the Yangtze River Delta.
The development of transportation infrastructure can ensure the strong recovery and reconstruction function of a city, and it is an important way to build a resilient city. Studying the impact of the transportation infrastructure level on urban resilience is related to the future development of a city. Based on panel data for China’s three major urban agglomerations from 2008 to 2019, this paper uses the spatial econometric model to explore the spatial spillover effect of transportation infrastructure on urban resilience. The results show that, due to its spillover effect, intra-regional transportation infrastructure promotes the urban resilience of cities around Beijing–Tianjin–Hebei and the Pearl River Delta, while it only promotes the urban resilience of local cities in the Yangtze River Delta. Inter-regional transportation infrastructure not only inhibits the local urban resilience of Beijing–Tianjin–Hebei but also reduces the urban resilience of surrounding cities. However, the impact on the Yangtze River Delta and the Pearl River Delta is not obvious. To promote the overall resilience level in three major urban agglomerations in China, this paper argues that it is urgently required to improve the quality of urban road traffic facilities and optimize the structure of intercity transportation to promote the development of transportation infrastructure and urban resilience. The implementation of several policies is recommended to efficiently improve the transportation infrastructure and urban resilience in these three major urban agglomerations in China.
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