Traffic Control Devices and Definitions

Traffic Control Devices and Definitions
Question: What are Traffic Control Devices and what are they used for? Answer: Traffic Control Devices can be broken into several categories and a whole bunch of subcategories, but I\'ll stay with the general categories for sake of brevity here. The main category would be signs, which encompass road signs, street signs, highway signs, and traffic signs. This category will include stop signs, speed limit signs, parking signs, warning signs, construction signs, street name signs, highway number and type signs like Interstate 75 or State Highway 231, yield signs, one way signs, do not enter signs, keep right or keep left signs, etc. from: http://ezinearticles.com/?Traffic-Control-Devices-and-Definitions&id=7518783
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