Evaluation of Carrying Capacity Load and Underground Space Potential at High-Tech Park Rail Transit Station

The renewal of the area around high-density urban rail transit stations is an important topic for the revitalization of existing urban public spaces. The pedestrian network and the infrastructure around it have a profound impact on the aggregation of passenger flow at rail transit stations. As urban rail transit lines continue to expand across China, a diminishing marginal effect is observed in the incremental passenger flow at various stations. To ensure a more effective alignment between the development intensity, land use nature, public facility density, and passenger flow intensity in urban renewal projects surrounding rail transit stations, and to fully leverage the agglomeration effects of spatial elements within these areas, this paper takes the urban renewal of the surrounding region of the Hi-Tech Central Station in Shenzhen as a case study. Firstly, based on the empirical data of well-functioning passenger flow and station area development intensity, the Gaoxinzhong Station is identified as an arrival-type station among the categories of arrival, departure, and balanced stations. Secondly, the quantitative relationship between the planned passenger flow and anticipated development intensity at the Hi-Tech Central Station is analyzed, revealing that the urban renewal capacity of the station area fails to meet expectations. Finally, a quantitative assessment is conducted on the ground and underground building space capacity, road network structure, and other relevant factors of the surrounding plots around the Hi-Tech Central Station, and a comprehensive evaluation is made of the potential induced passenger flow aggregation capacity of each plot, providing a design basis for achieving the planned capacity.