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Top Terms > Communication and control > Control > Control system applications > Traffic control > Highway traffic control > Traffic control devices > Warning devices for persons with disabilities > Audible warning devices

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Audible warning devices (Dcmthrbb)

Use For
Aural signals
Broader Term
Warning devices for persons with disabilities (Dcmthrb)
Related Terms (Hierarchical)
Detectable warning surfaces (Dcmthrbd)