Measuring Carbon Footprint of Flexible Pavement Construction Project in Indonesia Jati Utomo Dwi Hatmoko, Arif Hidayat, Apsari Setiawati and Stefanus Catur Adi Prasetyo E3S Web Conf., 31 (2018) 07001 Published online: 21 February 2018 DOI: 10.1051/e3sconf/20183107001