Optimizing Urban Infrastructure: Analyzing the Tianjin Road Network Through Weighted Density and Accessibility Models
DOI:
https://doi.org/10.5912/jcb1376Abstract
Tianjin, a pivotal urban center within the Beijing-Tianjin-Hebei metropolitan area, plays a critical role in the regional transportation infrastructure. This study utilizes comprehensive road network data from Tianjin to assess changes in road network density and accessibility across various districts from 2012 to 2020. Employing methods such as the weighted average road network density, ArcGIS-based raster time-cost distance accessibility analysis, and GeoDa spatial analysis, we have traced the evolution of Tianjin’s Road network spatial structure. Findings reveal a significant imbalance, with denser and more accessible road networks in the southern parts compared to the northern regions. The weighted average road network density has notably increased from 0.46 km/km² in 2012 to 0.54 km/km² in 2020, and average accessibility time has improved from 54.3 minutes to 44.1 minutes over the same period, indicating a trend towards a more balanced urban road network. However, peripheral areas such as Jizhou and Baodi Districts lag behind, identifying them as critical targets for future infrastructure enhancements. This analysis not only underscores the progress in urban mobility but also highlights areas for targeted developmental strategies, contributing valuable insights for sustainable urban planning and commercial development initiatives.