Ensuring pedestrian safety is crucial for establishing fair and sustainable  transportation systems. However, certain demographics face disproportionately  higher risks, necessitating age-appropriate policy and design strategies. This  study provides a comprehensive analysis of the relationships between objectively  measured road infrastructure attributes and pedestrian accident frequencies  involving vulnerable groups in Hunan Province, China. By leveraging detailed  historical crash records linked to spatially-explicit infrastructure data, the  research team employed advanced count regression model...