Evaluation of work zone speed limit signs with strobe lights : a report of findings of investigation of speed control methods in work zones

Research output: Book/Report/Conference proceedingTechnical report

Original languageEnglish (US)
Place of PublicationSpringfield, Ill
PublisherIllinois Dept. of Transportation
StatePublished - 1992

Publication series

NameIllinois Cooperative Highway Research Program Series

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