Additional Resources Philip J. Tarnoff and Javier Ordonez. Signal Timing Practices and Procedures: State of the Practice. Washington, DC: Institute of Transportation Engineers, 2004. Traffic Signal Timing: Moving State-of-the-Practice Closer to State of the Art. Intelligent Transportation Systems for Traffic Control, pg.1. USDOT ITS Joint Program Office. January 2007. Benefits of Retiming Traffic Signals. Washington, DC: ITE, 2005.2007. 2007 Traffic Signal Operations Self Assessment. Washington DC: NTOC, 2006 (http://www.ite.org/selfassessment/). Assessment of Puget Sound Regional Traffic Signal Operations Program Mid-America Regional Council Transportation Department’s “Operation Green Light” Overview of the 2007 National Traffic Signal Report Card PowerPoint Reno, Nevada’s Traffic Signal Retiming Project