The driver of a motor vehicle who is required to use a portable warning triangle must place it:
On the curb at a distance of at least 80 m, on the motorway and road I . class at least 130 m behind the vehicle .
At the edge of the roadway so that it is visibly and clearly visible to oncoming drivers, at a distance of at least 50 m, on the motorway at least 100 m behind the vehicle ; in the municipality, this distance may be shorter . if circumstances so require
At any distance to the edge of the road so that . is visible to oncoming drivers in good time and clearly