About two or more following one after the other turns (steering arcs), with the first of them to the right, and the safe passage of which requires a significant reduction in the speed of movement .
About turning (steering arc) to the right, the safe passage of which requires a significant reduction in the speed of movement .
About two or more following one after the other turns (steering arcs), and the first of them to the left, and the safe passage of which requires a significant reduction in the speed of movement .