The well-grounded discernment of speed of moving vehicles is considered solution to traffic law implementation in most countries, and is seen by many as a key tool to decrease the number of road accidents and fatalities. Many automatic systems and many methods are engaged in different areas, they tend to be exorbitant and/or labor intensive, frequently employing old-fashioned technology due to the long progress time. Here we report a speed detection system that depends on simple everyday equipment - a laptop and a web camera. The proposed system relies on tracking the cars, which gives the...