-آقابیگ، ک.، احمدپور، ط.، (1395)، "مروری بر اقدامات ایمنی جهت کاهش تصادفات در تقاطعهای بدون چراغ"، فصلنامه جاده، دوره 24، شماره 86، ص. 11-30.
-Ambros, j. and Z. Janoska, (2015), "Safety evaluation of Czech Roundabouts", Transportation Research Board 94th Annual Meeting, Washington D.C. pp.11-15.
-Elvic, R., (2017), "Road Safety Effects of Roundabouts: A Meta-analysis", Accident Analysis & Prevention, Vol. 99, part A.,
-Gross, F., Lyon, C., Persaud, B., & Srinivasan, R., (2013), "Safety effectiveness of converting signalized intersections to roundabouts", Accident Analysis & Prevention, Vol. 50, pp. 234-241.
-Hauer, E.,(1997,) “Observational Before-After Studies in Road Safety”, Pergamon Publication, England.
-Hauer, E., D. W. Harwood, F. M. Council, and M. S. Griffith, (2001), “Estimating Safety by the Empirical Bayes Method: A Tutorial.” Transportation Research Board 81th Annual Meeting, Washington D.C: 13-17 January.
-Kolody, K., Perez-Bravo, D., Zhao, J., Neuman, T, R., (2014), "Highway Safety Manual User Guide", FHWA/AASHTO.
-Jensen, S., (2013), "Safety effects of converting intersections to roundabouts". Transportation Research Record: Journal of the Transportation Research Board, Vol. 2389,
-Jensen, S.U., (2016), "Safe Roundabouts for Cyclists." Accident Analysis and Prevention, Vol. 105, pp.30-37.
-Khabiri, M, M., Elahizadeh, M., Diah, MD, J., (2016), "Statistical Analysis of Two-lane Roundabout Data For Traffic Control Decision-Making in an Urban Area", International Journal of Transportation Engineering, Vol.4, No.1, pp. 27-39.
-Kim, S., & Choi, J., (2013), "Safety analysis of roundabout designs based on geometric and speed characteristics", KSCE Journal of Civil Engineering, Vol.17, pp. 1446-1454.
-Leuer, D., (2017), "A Study of the Traffic Safety at Roundabouts in Minnesota", Office of Traffic, Safety, and Technology Minnesota Department of Transportation.
-Persaud, B., and C. Lyon., (2007), "Empirical Bayes before-after safety studies: Lessons learned from two decades of experience and future directions", Accident Analysis and Prevention, Vol. 39, pp. 546-555.
-Persaud, B., & Nguyen, T., (1998), "Disaggregate safety performance models for signalized intersections on Ontario provincial roads", Transportation Research Record: Journal of the Transportation Research Board, Vol. 1635, pp. 113-120.
Persaud, B., Retting, R., Garder, P., & Lord, D. (2001), "Safety effect of roundabout conversions in the United States: Empirical bayes observational before-after study", Transportation Research Record: Journal of the Transportation Research Board, Vol.1751, pp.1-8.
-Persaud, B., Lan, B., Lyon, C., & Bhim, R. (2010), "Comparison of empirical Bayes and full Bayes approaches for before–after road safety evaluations" Accident Analysis & Prevention, Vol. 42, pp. 38- 43.
-Persaud, B., Saleem, T., Faisal, S., Lyon, C., Chen, Y., & Sabbaghi, A., (2012), "Adoption of Highway Safety Manual Predictive Methodologies for Canadian Highways", TAC Conference & Exhibition, Canada, 14-17 October.
-Qin, X., A. Bill, M. Chitturi, and D. Noyce., (2013), “Evaluation of Roundabout Safety.” Transportation Research Board 92nd Annual Meeting, Washington D.C: 13-17 January.
-Retting, R. A., Persaud, B. N., Garder, P. E., & Lord, D. (2001), "Crash and injury reduction following installation of roundabouts in the United States", American Journal of public health, Vol. 91, pp. 628-631.
-Rodegerdts, Lee, (2007), “Safety Findings.” Transportation Research Board NCHRP Report 572: Roundabouts in the United States.
-Rodegerdts, L., Bansen, J., Tiesler, C., Knudsen, J., Myers, E., Johnsonm, M., & Isebrands, H. Guichet., B., and and O’Brien, A., (2010), "Roundabouts: An Informational Guide, NCHRP Report 672, Transportation Research Board of the National Academies, Washington, DC.
-Schattler,K, L., Hanson,T, and Maillacheruvu, K., (2016), "Effectiveness Evaluation of a Modified Right‐Turn Lane Design at Intersections", FHWA-ICT-16-012, Illinois Center for Transportation, Rantoul.
-Souliman, B., (2016), "Effect of Roundabouts on Accident Rate and Severity in Arizona", A Thesis for Master of Science, Thesis Advisor: Michael Mamlouk, Arizona, Arizona State University.
-Shadpour, E., (2012), "Safety Effects of Roundabouts", A Thesis for Master of Science, Thesis Advisor: Dr. Tracy Snoddon, Laurier Centre for Economic Research & Policy Analysis.
-Tulu, G, S., Haque, Md, M., Washington, S., King, M, J., (2015), "Investigating pedestrian injury crashes on modern roundabouts in Addis Ababa, Ethiopia", Transportation Research Record, Vol. 2512, pp. 1-10.
-Vujanic, M. Antic, B. Pesic, D. Savicevic, M., (2016), "Safety Effectiveness of Converting Conventional Intersections to Roundabouts: Case Study in the City of Niš", Traffic &Transportation, Vol. 28, pp. 529-537.
-Zhao, S., Aemal, J., Khattak and Eric, C. Thampson, (2015), "Safety and Economic Assessment of Converting Two-Way Stop-Controlled Intersections to Roundabouts on High Speed Rural Highways", JTRF Vol.54, No. 1, pp. 131-144.