It means no ice clearing material ex. Salt, slag, sand or combination of the above. It is used as a reminder to the plow drivers.
dont throw trash on the road.
Its a Stop sign
In america, the double R road sign means RAILROAD.
The CS in ICM-CS stands for Campaign Star.
that your driving into a box
It is a worded warning sign
The straight road you are on ends at a "T" intersection (road that goes right and left).
No passing zone!
That there is a 10% slope in the road ahead, meaning it is very steep.
That's the maximum permitted speed on that section of road.
It's a guard rail warning sign
Farm to market road