After it is forbidden to sprinkle salt on the road in snowy days, how to deal with the snow to ease the traffic inconvenience?

In snowy days, besides sprinkling salt on the road surface, there are many ways to improve the speed of road snow melting, such as sweeping snow mechanically, reducing blood by manpower, and spraying some hemolytic agents and cinders to melt blood. Especially, black coal cinder is particularly useful, because it absorbs heat easily, increases the road surface temperature, accelerates the melting of snow, and increases the road surface friction, thus playing an anti-skid role.