Mr. R. Murugasami, K. Hema Priya, E. Sakthivel, S. Sarika and A. Tamilselvan 2019. An automatic toll collection and pollution detection in transportation using embedded system . International journal of intellectual advancements and research in engineering computations. 7, 1 (Mar. 2019), 1464–1469. DOI:https://doi.org/10.61096/ijiarec.v7.iss1.2019.1464-1469.