that your driving into a box
dont throw trash on the road.
Its a Stop sign
In america, the double R road sign means RAILROAD.
A sign with arrows on the road indicates the direction that vehicles should follow.
Round signs give orders, normal triangle signs give warnings and rectangular signs give useful information (the background colour of these describes the road by the way).
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