Abstract
The longest cross-sea bridge worldwide, i.e., the Hong Kong-Zhuhai-Macao Bridge (HZMB), opened in October 2018, integrating nine cities and two special administrative regions of China's Guangdong-Hong Kong-Macao Greater Bay Area (GBA). The GBA is one of the regions with the most active economic vitality in China and has an important strategic position in the overall national development. Using full-sample freeway toll data of the GBA, this paper proposed a new structured evaluation methodology that combines the node degree, traffic volume, and topological and flow field-theory (e.g., agglomeration and distribution) to explore the hub city ranking and evolution in this area. The data period we selected to analyze is immediately before and after the opening of the HZMB, and we assess the counties' centrality changes in the GBA by analyzing these data. The findings reported in this paper can reflect the traffic hub evaluation process and provide more macroscopic intercity transportation views to the government.
Highlights
China’s Guangdong-Hong Kong-Macao Greater Bay Area (GBA) covers a total area of 56,000 square kilometers and links Hong Kong, Macao, Guangzhou, Shenzhen and seven other cities with a combined population of 70 million [1]; the objective of the GBA is to become the fourth largest bay area worldwide and build a world-class urban agglomeration [2]–[4]
AND DISCUSSION we present the results according to the index results from the evaluation model, including the node degree, traffic volume, agglomeration and distribution
NODE DEGREE As shown in FIGURE 4, the node degrees of the areas in the GBA dramatically increased from 2018 to 2019 since more new constructed freeways have been introduced for use [1]
Summary
China’s Guangdong-Hong Kong-Macao Greater Bay Area (GBA) covers a total area of 56,000 square kilometers and links Hong Kong, Macao, Guangzhou, Shenzhen and seven other cities with a combined population of 70 million [1]; the objective of the GBA is to become the fourth largest bay area worldwide and build a world-class urban agglomeration [2]–[4]. The Golden Gate Bridge, which is located on the Golden Gate Strait in San Francisco, is a landmark architecture and a significant corridor in the San Francisco Bay Area [5]. The Bronx-Whitestone Bridge and Tokyo Bay Bridge play significant roles in connecting traffic on both sides of. The Hong Kong-Zhuhai-Macao Bridge (HZMB) is considered the most vital infrastructure of the GBA that increases the spatial disparity of accessibility [20] and plays an essential role in promoting transportation connectivity and economic integration [21]. The GBA is a sharp heart space with the largest cities in the central area [1]. The HZMB is located in an essential geographic location in the GBA
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