German Sign For Private Parking And Towing Enforced Sign Royalty-Free Stock Photo

Traffic signs or road signs are signs erected at the side of or above roads to give instructions or provide information to road users. The earliest signs were simple wooden or stone milestones. With traffic volumes increasing since the 1930s, many countries have adopted pictorial signs or otherwise simplified and standardized their signs to overcome language barriers, and enhance traffic safety. Such pictorial signs use symbols often silhouettes in place of words and are usually based on traffic signs post vehicles pedestrian people, walk, international protocols. Such signs were first developed in Europe, and have been adopted by most countries to varying degrees.