User cost estimation on flexible and rigid pavement Fajar Sri Handayani, Rheza Imam Prabowo, Aria Ramandika Kurnia, Florentina Pungky Pramesti, Mochamad Agung Wibowo and Ary Setyawan MATEC Web Conf., 195 (2018) 06011 Published online: 22 August 2018 DOI: 10.1051/matecconf/201819506011