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Top Terms > Communication and control > Control > Control system applications > Traffic control > Highway traffic control > Warrants (Traffic control devices)
Warrants (Traffic control devices) (Dcmthw)
DefinitionDocuments that provide guidance to the designer in evaluating the potential safety and operational benefits of traffic control devices or features. Warrants are not absolute requirements: rather, they are a means of conveying concern over a potential traffic hazard. Also, the criteria by which the need for a safety treatment or improvement can be determined. (Source: AASHTO Glossary)
Broader TermHighway traffic control (
Dcmth)
Related Terms (Hierarchical)Highway traffic control systems (
Dcmthc)
Traffic control devices (
Dcmthr)