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The emergence of rapid transit, primarily represented by high-speed railway (HSR), while reshaping the regional traffic patterns, leads to the reconstruction and redistribution of population and industry. This leads to either shrinkage or expansion of urban scale. However, research on the influence mechanisms of the urban scale has mostly concentrated on historical, economic and social factors. The influence of traffic factors is rarely mentioned in current research. Therefore, this study examines Northeast China, where the change in urban scale is most significant, to discuss the spatial impact of high-speed railway on the urban scale. This is of great significance in terms of enriching current understanding of the factors affecting the urban scale. The results included the following: 1) The high-speed railway produced considerable space-time convergence effects, however, simultaneously aggravated the imbalance in traffic development in Northeast China. The increase in accessibility presents attenuation characteristics from the high-speed railway. Additionally, the high-speed railway has changed the mode of cooperation between cities in the provinces, inter-regional and inter-provincial cooperation models gradually become popular. 2) The change rate of accessibility and the urban scale present significant spatial coupling phenomena, with the change rate of the Harbin-Dalian trunk lines and its surroundings being more significant. 3) There are predominantly four modes of the influence of high-speed railway on the urban scale, which make difference city present expansion or shrinkage.

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China’s development zones have been enjoying a process of dramatic growth and restructuring since the start of the new millennium, which has been extensively documented in the literature. The growth stems from the increased scope and expansion in demand created by China’s economic growth, as well as gradual global economic reconfiguration, which has, in itself, become a factor in advancing the country’s spiraling economic growth. This article examines the trajectory of the growth and restructuring of China’s development zones since 1984, by reviewing critical policies and their measures and effects, as well as academic research in this field, focusing on transitional stages, features and mechanisms. Based on different academic viewpoints, the work sets out a three-pronged conceptual framework composed of institutional transition, industrial evolution and land use transformation to systematize the growth process. In recent years, the restructuring of development zones has come to be considered as a comprehensive and complex issue, and its main challenges arise from factors such as overcoming outdated institutional arrangements, strengthening market participation, promoting high-end industrial agglomeration and breaking the bottleneck of inefficient land use. This article uses a multi-dimensional, logical approach to address the growth of development zones, and examines relevant practices and studies so as to explore the deeply rooted correlations between different dimensions in more depth and to examine the innate and unchanged logic involved in the restructuring of development zones.

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