concrete mixing and provincial highways

To control the urban road dust , the implementation of urban road mechanized sweeping , cleaning take " vacuuming, watering , brick making machine  ntegration" work, mechanized cleaning rate should reach 80% , will be fully implemented within the Second Ring Road, mechanized cleaning . Out of the mouth of the city and the surrounding national and provincial highways and other transportation trunk , especially in the western counties ( cities) secondary channel main coal dust , concentration and control , strengthening of planting trees on both sides of the road ; severely crack electric concrete pump on illegal transportation of lime, coal , slag and so easy to throw goods vehicles and transport these items are not covered , the problem is not tight coverage .