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Top Terms > Communication and control > Control > Control system applications > Traffic control > Highway traffic control > Traffic control devices > Traffic signal hardware > Traffic signals

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Traffic signals (Dcmthrrs)

Definition
Power-operated traffic control devices, other than barricades, warning lights or steady burning electric lamps, by which traffic is warned or directed to take some specific action. Also referred to as Highway traffic signals or Traffic control signals. (Source: AASHTO Glossary)
Use For
Highway traffic signals
Traffic control signals
Traffic lights
Broader Term
Traffic signal hardware (Dcmthrr)
Narrower Terms
Parts of traffic signals (Dcmthrrsb)
Types of traffic signals (Dcmthrrsk)
Related Terms (Hierarchical)
Traffic signal controllers (Dcmthrrc)
Related Terms (Associative)
Ramp metering (Dcmthcfr)