It is understood that " prevention is more important than treatment, is better maintained than cast anchor " concept has been generally recognized by the owner. " Section before and after are the peak of road maintenance, now only 20-30 per cent increase to owners of a day than usual. " Head of a road service station said. During the work, many of the road sweeper loads has increased markedly than usual, coupled with bad effects of snow on the road before, makes the Festival just finished too soon the owners came to Sweeper do testing and maintenance.