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Railroad crossing signs alert drivers that there are railroad tracks ahead. Learn more about railroad crossing sign, such as category, color, shape and location.

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Pedestrian crossing signs notify drivers of areas with a lot of pedestrian activities. Learn more about pedestrian crossing sign, such as category, color, shape and location.

Winding road sign indicates a road which has 2 or more curves and warns drivers of the potentially hazardous area. Learn more about winding road sign, such as category, color, shape and location.

Dip signs indicate that there is a dip or low place in the road. Drivers should slow down when seeing this sign. It's dangerous to encounter this sharp depression in the road at a high speed. You have to watch out for low areas of the road when it is raining or just after the rain. Water may accumulate in the dip and driving through the water at high speeds may cause hydroplaning.