Public Transport Equity in the Pearl River Delta

Where public transport service falls short of, or exceeds, the demand for it across 4,531 grid cells of 3 km by 3 km in eight cities, and which features of a place go with the gap. The cells and coefficients are those reported in the paper.

Scroll or use the buttons to zoom, and drag to move. Hover over a cell to read its values. Cells with no results are left blank.

Source: Zhu, J., Liu, J. and Bao, H. X. H. (2026). A cross-level diagnostic framework for spatial equity of public transportation services: Supply-demand mismatch and influencing factors in the Pearl River Delta. Cities, 179, 107714. doi.org/10.1016/j.cities.2026.107714. The map shows only grid-level results presented in the paper. The study covers eight of the nine cities of the delta; Zhaoqing is excluded for lack of data. PTS stands for public transportation services.