Hot Mix Asphalt in Ballasted Railway Track: International Experience and Inferences Sehgal, L., A. Garg, V. Sehgal and W. Buttlar. 2017. Hot Mix Asphalt in Ballasted Railway Track: International Experience and Inferences. In: Institution of Permanent Way Engineers International Technical Seminar. Mumbai, India. Files Hot Mix Asphalt in Ballasted Railway Track: International Experience and Inferences - Full Text (PDF) Categories Infrastructure