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3. Coifman, B., 2006. The Columbus Metropolitan Freeway Management System (CMFMS) Effectiveness Study: Part 2 – The After Study, Ohio Department of Transportation, FHWA/OH-2006/19, p. 372.
4. Coifman, B., Kim, S., 2013. Assessing the Performance of the SpeedInfo Sensor, Ohio Department of Transportation, FHWA/OH-2013/21, p. 60.
5. Haghani, A., Hamedi, M., Sadabadi, K., 2009. I-95 Corridor Coalition Vehicle Probe Project: Validation of Inrix Data July-September 2008, Final Report, I-95 Corridor Coalition, p. 129.