Ruling out of any possibility.įrom WordNet 3.0 Copyright 2006 by Princeton University. From these modest beginnings, traffic signal technology has greatly expanded and has become a critical element in the safe and efficient control of traffic on. noun A warning light, especially as a traffic signal indicating ‘stop’. ![]() ![]() figuratively, a sign or signal that one must stop doing what one is presently doing.įrom Wiktionary, Creative Commons Attribution/Share-Alike License.the condition of a traffic light when the signal visible to the driver of a vehicle is red, signalling that the vehicle must stop and not enter the intersection.The starting point of this tutorial is the Traffic Light Model. The controller is an application written in C-code that determines the state of the traffic lights based on a sensor that detects whether cars are present or not. In some locations the lights may be set to be illuminated in other sequences or combinations a blinking red light is typically equivalent to a “stop” sign, and a blinking amber light typically means “procede with caution”. All steady-beam traffic signals emitting alternate red and green lights shall be arranged so that the red light in vertical-arranged signal faces shall appear. A traffic control signal (traffic signal) shall be defined as any highway traffic signal by which traffic is alternately directed to stop and permitted to. In this tutorial you will create a controller for traffic lights at an intersection. In simple intersections of two roads, a red light visible to traffic on one road will usually be accompanied by a green light visible to traffic on the intersecting road. When the red light is illuminated the signal means to stop green means to go and amber means to stop or procede through the intersection with caution. Also called traffic light, traffic signal or stop light. Each set of lights typically has a colored red light and also green and amber lights the color of the light which is lighted at any one time changes automatically to control the flow of traffic through the intersection, allowing flow from different directions in alternating succession. the symbol inside the circle tells you what is prohibited. an electrically operated set of lights at a road intersection which has different lights visible to traffic from different directions, designed to control vehicle traffic through the intersection. Traffic signals apply to drivers, motorcycle riders, bicyclists, moped-riders and pedestrians.noun The red-colored light that signals traffic to stop.įrom the GNU version of the Collaborative International Dictionary of English.From The American Heritage® Dictionary of the English Language, 5th Edition.
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