Enhancing sustainable pavement materials: Assessing modifying additives in bitumen for improved environmental performanceArman Alibayeva, Yerik Amirbayev, Kairat Mukhambetkaliyev, Mariya Smagulova and Manarbek ZhumamuratovE3S Web Conf., 614 (2025) 04012DOI: https://doi.org/10.1051/e3sconf/202561404012