Impact of Side Friction Parameters to Road Performance, A Study of Road Side Activities to Jend. A Yani Road, PurbalinggaProbo Hardini, Eva Wahyu Indriyati, Nursitihazlin Ahmad Termida and Wibowo JanudardonoE3S Web Conf., 609 (2025) 03001DOI: https://doi.org/10.1051/e3sconf/202560903001