Influence of High-speed Railway Network Construction on Accessibility and Urban Spatial Pattern in Henan Province

The opening of high-speed railway will have a significant impact on the accessibility level and economic development of cities along the line.Taking Henan province as an example, this paper analyzes the influence of the construction of high-speed rail network on the accessibility and economic potential of cities along the route by using the two indexes of average travel time and economic potential.The results show that the construction of high-speed railway network has improved the accessibility level and economic development potential of relevant cities in Henan province, and the polarization effect of Zhengzhou has been strengthened, and Henan province has gradually formed an economic belt along the high-speed railway line.