Communication Strategy on Macro-and-Micro Traffic State in Cooperative Deep Reinforcement Learning for Regional Traffic Signal Control. - Hankang Gu; Shangbo Wang; Dongyao Jia; Yuli Zhang; Yanrong Luo; Guoqiang Mao; Jianping Wang 001; Eng Gee Lim (IEEE Trans. Intell. Transp. Syst., 2025)