University of Illinois Urbana-Champaign

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Showing 1741–1770 of 2,169 items
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

Thumbnail for Illinois Technograph v. 027 (1912-1913)
Illinois Technograph v. 027 (1912-1913)
Submitter: Timothy Donohue

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