Final answer:
The "watch out for cross road traffic" sign is a warning sign used in road traffic to indicate that drivers should be cautious and look out for vehicles coming from a different road.
Step-by-step explanation:
The "watch out for cross road traffic" sign is a warning sign used in road traffic to indicate that drivers should be cautious and look out for vehicles coming from a different road. The sign typically consists of an equilateral triangle with a white background and a red border. Inside the triangle, there is an image of a black silhouette of a car and an arrow pointing towards the right, indicating that drivers should watch out for traffic approaching from the right side of the road.