Texas Drivers Ed Written Practice Test

Warning signs indicating potential hazards ahead are yellow because this color is universally recognized for caution and alertness. The bright, attention-grabbing nature of yellow allows drivers to notice these signs quickly, helping them prepare for potential dangers, such as curves, changes in road conditions, or construction zones. This proactive approach enhances safety by ensuring that drivers are aware of what lies ahead and can react accordingly.

Other colors mentioned serve different purposes: red typically indicates stop or prohibition, green often signals permissible actions like direction and road information, and blue usually provides information pertaining to services or facilities. These distinctions help create a consistent system of communication on the road, making it easier for drivers to interpret signs while driving.