阐述了社会对残疾人关心和爱护的无障碍市政设施设计的设计理念和缘石坡道、盲道、人行天桥与人行地道等三个方面的设计内容，并重点介绍了设计规范标准。
Expounded here are the design concept and design contents of barrier-free public infrastructure , and the design standards are specifically introduced .
缘石坡道