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Browse Illinois Research and Scholarship (Open Community) by Subject "Safety"
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Effect of Flaggers and Spotters in Directing Work Zone Traffic for Illinois Expressways and Freeways (Illinois Center for Transportation/Illinois Department of Transportation, 2014-01)This research project focused on assessing the effectiveness and essential role of flaggers and spotters in directing traffic for expressway and freeway work zones in Illinois with a posted speed limit greater than 40 ...
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