Crawford, B., "PennDOT's Highway Safety Countermeasure Evaluations." Unpublished Powerpoint presentation.
Datta, T. and Kerrie Schattler. Evaluation Studies for the AAA Road Improvement Demonstration Program in Michigan Interim Report. Wayne State University Department of Civil and Environmental Engineering, October 2002.
G. D. Hamilton Associates Ltd, AAA Road Improvement Demonstration Program Evaluation Phase 2: Detroit and Grand Rapids, Michigan. Hamilton and Associates, October 2002.
Modi, G. "Low Cost Safety Improvements." Presentation at Institute of Transportation Engineers 2002 Annual Meeting, August 2002.
Polanis, Stanley F. "Low Cost Safety Improvements: What are They, How Do They Fit Into Safety Efforts & Do They Work?" TM+E Magazine, Volume 6, Number 5, (October/November 2001).
Welch, T. "Cost Effective Approaches to Improving Safety on Rural Roads." Unpublished Powerpoint presentation, October 2002.