pedestrian crossing facilities
...关键词： 城市道路；行人过街设施；意愿调查；行人事故黑点 [gap=1737]Keywords： urban road; pedestrian crossing facilities; stated preference survey; pedestrian accident black spots ..
基于12个网页-相关网页
短语
关注行人过街设施
Traffic & Transportation
人行过街立交设施
pedestrian crossing street interchange facilities