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An event data recorder (EDR), more specifically motor vehicle event data recorder (MVEDR), similar to an accident data recorder, (ADR) sometimes referred to informally as an automotive black box (by analogy with the common nickname for flight recorders), is a device installed in some automobiles to record information related to traffic collisions.
A box junction in London, pictured from atop the Monument in 1969. A box junction is a road traffic control measure designed to prevent congestion and gridlock at junctions.The surface of the junction is typically marked with a yellow criss-cross grid of diagonal painted lines (or only two lines crossing each other in the box), and vehicles may not enter the area so marked unless their exit ...
An LED 50-watt traffic light in Portsmouth, United KingdomTraffic lights, traffic signals, or stoplights – also known as robots in South Africa, [1] [2] Zambia, and Namibia – are signaling devices positioned at road intersections, pedestrian crossings, and other locations in order to control the flow of traffic.
The National Transportation Safety Board was able to retrieve electronic control modules, more commonly called "black boxes," from some of the five vehicles involved in a deadly crash Tuesday on ...
The data, which totals more than a thousand parameters, is swiftly saved electronically into the flight data recorder (FDR), one of the so-called black boxes that aviation safety investigators say ...
Bicycle left turn must use turn box. R9-23c Bicycle left turn must use turn box. R9-24 ... Traffic light ahead. W3-4 Be prepared to stop. CW3-4 Be prepared to stop. W3-5
In New Zealand, where they drive on the left, when a road is given a green light from an all direction stop, a red arrow can continue to display to turning traffic, holding traffic back while the pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).
According to the 9/11 Commission Report, both black boxes from Flight 77 and both black boxes from Flight 93 were recovered. Flight 77's CVR was said to be too damaged to yield any data. On April 18, 2002, the FBI allowed the families of victims from Flight 93 to listen to the voice recordings. [ 165 ]