University of Illinois Urbana-Champaign

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Thumbnail for Faculty letter / no. 223-283
Faculty letter / no. 223-283
Submitter: William Ingram

Thumbnail for Effect of Flaggers and Spotters in Directing Work Zone Traffic for Illinois Expressways and Freeways
Effect of Flaggers and Spotters in Directing Work Zone Traffic for Illinois Expressways and Freeways
El-Rayes, Khaled; Liu, Liang; El-Gohary, Nora; Abdelmohsen, Ahmed Zafer