Although each YOLO version has brought improvements, YOLOv5, being one of the later iterations (as of my last knowledge update in September 2021), emerges as the most well-balanced and efficient solution for real-time traffic rule violation detection in Bangladesh.1
References
1Sezan SBK, Rahman T, Tanvir K, Tasnim N, Ataur AJI. Detecting Traffic Rule Violations and Promoting Road Safety through Artificial Intelligence. Journal of Artificial Intelligence,Machine Learning and Neural Network. 3(06):29-41. doi:10.55529/jaimlnn.36.29.41