Speed reduction effects of changeable message signs in a construction zone : a report of the findings of investigation of speed control methods in work zones

Research output: Book/Report/Conference proceedingTechnical report

Original languageEnglish (US)
Place of PublicationUrbana, Ill
PublisherUniversity of Illinois Urbana-Champaign
StatePublished - 1992

Publication series

NameIllinois Cooperative Highway Research Program Series

Cite this