University of Illinois Urbana-Champaign

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Showing 4681–4710 of 39,509 items
Thumbnail for Minimizing Traffic-Related Work Zone Crashes in Illinois
Minimizing Traffic-Related Work Zone Crashes in Illinois
El-Rayes, Khaled; Liu, Liang; Tarek Elghamrawy

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