-Fan, W., Gong, L. and Haile, E. (2016) "Severity analysis of vehicle crashes on highway-rail grade crossings: ordered response logit modeling”, Advances in Transportation Studies(38), Vol. 38, pp. 5–20. .
-Fan, W., Gong, L., Washing, E. M., Yu, M. and Haile, E. (2016) "Key factors contributing to crash severity at highway-rail grade crossings”, Journal of Modern Transportation, 24(3), Vol. 24, No. 3, pp. 224-235.
-Fernando, W. S. H. R. and Amarasingha, N. (2018) "Linear regression models to evaluate characteristics of railway-roadway level Crossings in a developing country”, International Journal of Traffic and Transportation Engineering, Vol. 7, No. 3, pp. 43-52.
-Hao, W. and Daniel, J. (2016) "Driver injury severity related to inclement weather at highway–rail grade crossings in the United States”, Traffic Injury Prevention, Vol. 17, No. 1, pp. 31-38.
-Hao, W., Kamga, C. and Wan, D. (2016) "The effect of time of day on driver's injury severity at highway-rail grade crossings in the United States”, Journal of Traffic and Transportation Engineering (English edition), Vol. 3, No. 1, pp. 37-50.
-Hayter, A. (2013) "Probability and statistics for engineers and scientists, fourth ed.”, Duxbury, USA.: Thomson Brooks/Cole.
-Khan, I. U., Lee, E. and Khan, M. A. (2018, 09) "Developing a highway rail grade crossing accident probability prediction model: A North Dakota Case Study”, Safety, Vol. 4, No. 2, pp. 22.
-Khan, W. A. and Khattak, A. J. (2018) "Injury severity of truck drivers in crashes at highway-rail grade crossings in the United States”, Presented at the Transportation Research Record, 97th Annual Meeting. Washington DC.
-Lavette, R. A. (1977) "Development and application of a railroad-highway accident prediction equation”, Journal of the Transportation Research Board, Vol. 628, No. 1, pp. 12-19.
-Lord, D. and Mannering, F. (2010) "The statistical analysis of crash-frequency data: a review and assessment of methodological alternatives”, Transportation Research Part A: Policy and Practice, Vol. 44, No. 5, pp. 291-305.
-Lord, D., Washington, S. P. and Ivan, J. N. (2005) "Poisson, Poisson-gamma and zero-inflated regression models of motor vehicle crashes: balancing statistical fit and theory”, Accident Analysis & Prevention, 37, Vol. 37, No. 1, pp. 35-46.
-Ma, C., Hao, W., Xiang, W. and Yan, W. (2018) "The impact of aggressive driving behavior on driver-injury severity at highway-rail grade crossings accidents”, Journal of Advanced Transportation, No. 58, pp. 1-10.
-Saccomanno, F. F., Park, P. Y. J. and Fu, L. (2007) "Estimating countermeasure effects for reducing collisions at highway–railway grade crossings”, Accident Analysis & Prevention, Vol. 39, No. 2, pp. 406-416.
-Saccomanno, F. F., Ren, C. and Fu, L. (2003) "Collision prediction models for highway-rail grade crossings in Canada”, In Proceedings of the 82nd Annual Meeting of the Transportation Research Board. Washington, D.C.
-Yan, X., Richards, S. and Su, X. (2010) "Using hierarchical tree-based regression model to predict train–vehicle crashes at passive highway-rail grade crossings”, Accident Analysis & Prevention, Vol. 42, No. 1, pp. 64-74.
-Zalinger, D. A., Rogers, B. A. and Johri, H. P. (1977) "Calculation of hazard indices for highway-railway crossing in Canada”, Accident Analysis & Prevention, Vol. 9, No. 4, pp. 257-273.
-آیتی، ا.لف، ذاکری، ج. ع. و صادقی، ع. ا. (1389) "مدل پیش بینی فراوانی وقوع تصادف برای گذرگاههای ریلی- جاده ای ایران”, مهندسی حمل و نقل, دوره 2، شماره 2، صفحه 99-114.
-ذاکری, ج. ع. (1385) "شناسایی گذرگاه های پر خطر ریلی - جاده ای بر اساس شاخص خطر”, پژوهشنامه حمل و نقل, دوره 3، شماره 3، صفحه 223-231.