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en.wikipedia.org/wiki/Traffic-light_signalling_and_operation

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.

nacto.org/docs/usdg/traffic_signal_phasing_buckholz.pdf

TRAFFIC SIGNAL PHASING This Traffic Signal Operations course presents information regarding phasing sequences used for traffic signal control. The material is intended to provide a practical overview of traffic signal phasing and its proper application. Since fully actuated controller operation demonstrates the most sophisticated

ops.fhwa.dot.gov/publications/fhwahop08024/chapter4.htm

A pedestrian phase is defined as a traffic phase allocated to pedestrian traffic that may provide a pedestrian indication either concurrent with one or more vehicular phases, or separate from all vehicular phases. A traffic phase is defined as the green, change, and clearance intervals in a cycle assigned to specified movement(s) of traffic.

en.wikipedia.org/wiki/Traffic_light

Traffic lights, also known as traffic signals, traffic lamps, traffic semaphore, signal lights, stop lights, robots (in South Africa and most of Africa), and traffic control signals (in technical parlance), are signalling devices positioned at road intersections, pedestrian crossings, and other locations to control flows of traffic.. The world's first traffic light was short lived.

www.signaltiming.com/The_Signal_Timing_Manual_08082008.pdf

The purpose of the Signal Timing Manual is to provide direction and guidance to managers, supervisors, and practitioners based on sound practice to proactively and comprehensively improve signal timing. The outcome of properly training staff and proactively operating and maintaining traffic signals is signal timing that reduces

www.fg-inc.net/a-beginners-guide-to-signal-timing

A Beginner’s Guide to Traffic Signal Timing Feb 17, 2017 It is Monday morning, and you are trying to beat traffic on your way to work when all of a sudden it seems like the whole traffic engineering world is conspiring against you by ensuring you hit red light after red light.

www.drivingtesttips.biz/traffic-lights-sequence.html

This guide provides information on traffic lights sequences at various systems found on UK roads, along with an explanation on filter lights and the rules and legal regulations that must be complied with at traffic lights. UK traffic lights sequence explained. Red traffic light A vehicle must stop just behind the white stop line at traffic light.

momentum-eng.com/acrobat/MEC -Disputed Red Light Accidents 02.pdf

Disputed Red Light Accidents: A Primer on Signal Control . Jon B. Landerville, ... establish traffic patterns- light or heavy in a particular direction, backed up into the intersection, etc., as well as the presence of other vehicles or pedestrians, and the ... Lead-Lag Left-Turn Phasing- A left-turn phase sequence where one left-turn

www.dot.state.mn.us/trafficeng/publ/signaloperations/2017signaloptandtimingmanual.pdf

MnDOT Traffic Signal Timing and Coordination Manual May 2017 Overview Page 1-1 1 OVERVIEW 1.1 Introduction No other device has such a daily impact on virtually every citizen as does the common, ever-present traffic

www.ct.gov/dot/lib/dot/documents/dtrafficdesign/sigmanapproved2009.pdf

This manual presumes that a traffic engineering study traffic signal control is needed. This document is intended to provide guidelines for certain considerations involved in the design of such devices. Some of the information contained in this manual reflects departmental policy and State Traffic Commission Regulations as of July 2009.