Traffic study using unmanned aerial vehicle & simulation of traffic flow at congested junctions of Salem City using hybrid approachVelmurugan Pachaiappan, Gulshan Taj Mohamed Nabi Anwarbasha, Malathy Ramalingam and S.R.R. Senthil KumarMATEC Web Conf., 400 (2024) 03006DOI: https://doi.org/10.1051/matecconf/202440003006