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The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated MUTCD) is a document issued by the Federal Highway Administration (FHWA) of the United States Department of Transportation (USDOT) to specify the standards by which traffic signs, road surface markings, and signals are designed, installed ...
Traffic light. An LED 50- watt traffic light in Portsmouth, United Kingdom. Traffic 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. [3]
Scalable Urban Traffic Control. Selective vehicle detection. Signal timing. Smart traffic light. Solar traffic light. Split Cycle Offset Optimisation Technique. Sydney Coordinated Adaptive Traffic System.
Regulatory signs. Regulatory signs give instructions to motorists, pedestrians, and cyclists. Signs including Stop, Yield, No Turns, No Trucks, No Parking, No Stopping, Minimum Speed, Right Turn Only, Do Not Enter, Weight Limit, and Speed Limit are considered regulatory signs.
The California Manual on Uniform Traffic Control Devices (abbreviated CA MUTCD) is the standard for traffic signs, road surface markings, and traffic signals in the U.S. state of California. It is developed by the California Department of Transportation (Caltrans) Division of Safety Programs "in substantial conformance to" the national Manual ...
The main differences between traffic signs influenced by the MUTCD relate to: Graphic design and symbological details. The use of square-bordered or circular regulatory signs. Local languages (signs may be bilingual or trilingual) Most notable is the text on stop signs. Unlike in Europe, the text on stop signs in the Americas varies depending ...
Variations in traffic light operation. Swedish traffic light (left) for use by public transport vehicles only. All signals use white lighting and special symbols ("S", "–" and an arrow) to distinguish them from regular signals. The small light at the top tells the driver when the vehicle's transponder signal is received by the traffic light.
Rules for traffic lights. Traffic lights – devices positioned at road intersections, pedestrian crossings and other locations – control flows of traffic with social norms and laws created by the state. [1] Traffic signals have to convey messages to drivers in a short period of time about constantly-changing road rules.