Correct option is A
Types of traffic signs:-
Classification of traffic signs
1. Regulatory Signs:
Function: These signs inform drivers of mandatory rules and regulations they must obey.
Shape: Typically circular with a red border and black symbol or white background with black legend.
Examples: Stop signs, speed limit signs, no parking signs, yield signs, one-way signs, etc.
2. Warning Signs: Function: Alert drivers and pedestrians to potential hazards or dangers ahead, prompting them to take necessary precautions. Warning signs are also known as cautionary signs.
Shape: Triangular with a red border and yellow background, featuring black symbols or text.
Examples: Intersection warning signs, Curve ahead signs, falling rocks signs, slippery road signs,
pedestrian crossing signs, etc.
3. Informative Signs: Function: Provide helpful information to drivers,
including route guidance, directions, location services, and other relevant details.
Shape: Usually rectangular with a blue background and white symbols or text.
Examples: Town name signs, Exit signs, directional arrows, distance markers, rest area signs, Parking Sign etc.