A warning sign is a type of sign which indicates a potential hazard, obstacle, or condition requiring special attention. Some are traffic signs that indicate hazards on roads that may not be readily apparent to a driver. See more

Warning signs can indicate any potential hazard, obstacle or condition requiring special attention. Some of the most common warning … See more

• Traffic sign
• Hazard symbol
• Comparison of European road signs
• Comparison of traffic signs in English-speaking countries
• Direction, position, or indication sign - Traffic signs that … See more

Some of the first roadside signs—ancient milestones—merely gave distance measures. Hazard warnings were rare though occasional specimens appeared, such as the specific … See more

Some warning signs have flashing lights to alert drivers of conditions ahead or remind drivers to slow down. In Britain, they are called warning lights. … See more

• Media related to Warning signs at Wikimedia Commons See more