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Metered ramp on I-894 in the Milwaukee area. A Portland, Oregon ramp meter. A ramp meter, ramp signal, or metering light is a device, usually a basic traffic light or a two-section signal light (red and green only, no yellow) together with a signal controller, that regulates the flow of traffic entering freeways according to current traffic conditions.
If you run a red light at a ramp meter, Leavitt said you could be cited for violating California Vehicle Code 21453, which states a driver must stop when faced with a steady red signal — even if ...
Two months after activating the ramp meters, as these lights are known, the Washington State Department of Transportation is planning to increase their use. Beginning this week, the department ...
Bicycle push button for green light. R10-25 Push button for warning lights - wait for gap in traffic. R10-26 ... Ramp meter ahead. W3-8 Ramp metered when flashing. W3-9
A ramp meter or metering light is a device, usually a basic traffic light or a two-phase (red and green, no yellow) light, that regulates the flow of traffic entering freeways according to current traffic conditions. They are intended to reduce congestion on the freeway in two ways.
Sep. 10—By Sgt. Troy Christianson Question: Hello, we took a trip to the cities this summer. While down there we came across these freeway ramp meters. I know we don't have those in out-state ...
Ramp meter: Device; usually a basic traffic light or a two-section signal (red and green only, no yellow) light together with a signal controller that regulates the flow of traffic. Light meter: A way of measuring the amount of light, and typically used to determine the proper exposure for a photograph.
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Signaling device to control competing flows of traffic This article is about lights used for signalling. For other uses, see Traffic light (disambiguation). "Stoplight" redirects here. For other uses, see Stoplight (disambiguation). An LED 50- watt traffic light in Portsmouth, United ...