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What does yellow background with black text mean?

3 Answers
Tommy
08/29/25 2:33am
Yellow background with black text is a warning sign. Below is relevant information about traffic signs: 1. Introduction: Traffic signs are road facilities that convey guidance, restrictions, warnings, or instructional information through text or symbols. In traffic signage, they are generally designed for safety, with eye-catching, clear, and bright features. Setting up prominent traffic signs is an important measure for implementing traffic management and ensuring road safety and smooth flow; 2. Classification: Traffic signs can be categorized in various ways, including main signs and auxiliary signs, movable signs and fixed signs, illuminated signs, luminous signs and reflective signs, as well as variable message signs that reflect changes in driving conditions.
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JuneMarie
09/10/25 7:20am
Having driven for over a decade, I'm all too familiar with those yellow-background black-letter traffic signs. These signs are specifically used on highways to warn of hazardous road conditions, like sharp turns, steep slopes, or construction zones. The bright yellow background stands out conspicuously, making them easily noticeable even in rainy or foggy conditions, while the black lettering ensures clarity. Last time on a mountain road, I encountered a yellow-background black-letter warning sign for consecutive curves and instinctively hit the brakes to slow down. These signs are actually thoughtful reminders from road designers, placed hundreds of meters before dangerous sections to give drivers ample reaction time. But remember, yellow-background black-letter signs are warning signs – violating them doesn't count as a direct traffic violation, but if an accident occurs because of it, you'll definitely be held responsible.
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LaSilas
10/24/25 8:10am
Every time I coach a beginner driver, I emphasize the importance of yellow-background black-letter signs—they are the most critical warning signals. These signs specifically mark special road conditions, such as school zones and railroad crossings, which are high-risk areas. Why yellow? Because this color has the strongest visibility and can be clearly seen from 300 meters away even in rainy or foggy conditions. Once, while driving at night, I almost missed a turn, but the yellow-background black-letter fork sign helped me change lanes in time. When encountering such signs, you must immediately slow down, prepare to brake, and check the rearview mirror. Although they are not as mandatory as red-circle prohibition signs, ignoring them could lead to accidents. Developing the habit of checking signs in advance can help you avoid many troubles.
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