Sakshi Chillewar, Shaunak Deshmukh, Tanvi Gulhane, Spandan Wasnik, and Shatakshi Pathak. “Automatic Railway Track Pedestrian Crossing”. International Journal of Progressive Research in Science and Engineering, vol. 2, no. 6, June 2021, pp. 19-22, https://www.journals.grdpublications.com/index.php/ijprse/article/view/290.