Control of urban traffic pollution the motor vehicle emission should be controlled.

控制城市交通污染，必须严格控制机动车的排放。

youdao

Highly application of GIS to urban traffic pollution management has been developed, which consisted of proscenium-GIS system, back stage-motor vehicle emission model and spatial data base.

开发了高层应用城市交通污染管理信息系统，由前台g IS系统、后台机动车排放模型、空间数据库三大部分构成。

youdao

Though urban infrastructures were constructed largely, especially in big city and Megalopolis, road resource can' t satisfy traffic volume because number of motor vehicle increases rapidly.

虽然城市道路等基础设施在加速建设，但在城市中，尤其是大城市、特大城市，道路资源增长远不能满足因机动车增长而导致的交通量增长。

youdao

To reduce the number of pedestrians seriously injured and killed in motor vehicle crashes in places like residential streets and urban areas, the report calls for traffic calming techniques, such as speed bumps, lane narrowing, changes in roadway curvature, and increased enforcement and the reduction of speed limits.

FORBES: In Crashes, Low Driving Speed Can Cause Serious Injury and Death to Pedestrians, Report Finds