- Social Science
- Road safety
- Age 10-17
-
level: middle
- English
คำแนะนำของผู้เขียน
Red: Red generally means stop. The use of red on signs is limited to stop, yield, and prohibition signs. White: A white background indicates a regulatory sign. Yellow: Yellow conveys a general caution message. Green: Green shows permitted traffic movements or directional guidance.
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คำแนะนำของผู้เขียน
Red: Red generally means stop. The use of red on signs is limited to stop, yield, and prohibition signs. White: A white background indicates a regulatory sign. Yellow: Yellow conveys a general caution message. Green: Green shows permitted traffic movements or directional guidance.