1. Baass, K.G., 1981. Design of Zonal Systems for Aggregate Transportation Models. Transportation Research Record 807. National Academy Press, Washington, DC, as cited in Meyer, M.D., Miller, E.J., 2001. Urban Transportation Planning, second edition. McGraw-Hill Science Engineering, New York, NY.
2. Modeling traffic accident occurrence and involvement;Abdel-Aty;Accident Analysis and Prevention Journal,2000
3. Macroscopic safety investigation at the traffic analysis zone level;Abdel-Aty,2010
4. Spatial analysis of fatal and injury crashes in Pennsylvania;Aguero-Valverde;Accident Analysis and Prevention Journal,2006
5. Using travel demand model and zonal safety planning model for safety benefit estimation in project evaluation;An,2011