![This traffic sign warns that there is a curve to the left ahead. It may be necessary for drivers to reduce their speed significantly, especially when they can’t see how sharp the curve is. Curves which come after a long straight section, or which are very different from other curves on the road, are particularly dangerous. Warning for a curve to the left.](/img/asia/jp/signs/warning/warning-curve-left.png)
Warning for a curve to the left.
![This traffic sign warns that there is a double curve ahead, first to the left and then to the right. It may be necessary for drivers to reduce their speed significantly, especially when they can’t see how sharp the curves are. This traffic sign is only used where the first curve is right behind the second. Warning for a double curve, first left then right.](/img/asia/jp/signs/warning/warning-curve-left-right.png)
Warning for a double curve, first left then right.
![This traffic sign warns for a sharp curve to the left. Warning for a sharp curve to the left.](/img/asia/jp/signs/warning/warning-curve-left-sharp.png)
Warning for a sharp curve to the left.
![This traffic sign warns for curves. Warning for curves.](/img/asia/jp/signs/warning/warning-curves.png)
Warning for curves.
![This traffic sign warns for a road with two-way traffic. It is used where a one-way traffic changes into a two-way traffic. Warning for a road with two-way traffic.](/img/asia/jp/signs/warning/warning-two-way-traffic.png)
Warning for a road with two-way traffic.
The traffic signs are located on the side or top of the road. They give directions on how we should behave on the road, so that the traffic can proceed safely and smoothly. Everyone must know the traffic signs!
Warning for a curve to the left.
Warning for a double curve, first left then right.
Warning for a sharp curve to the left.
Warning for curves.
Warning for a road with two-way traffic.