HALO: Hierarchical Reinforcement Learning for Large-Scale Adaptive Traffic Signal Control.

@inproceedings{zhu-2026-halo, author = {Yaqiao Zhu and Hongkai Wen and Geyong Min and Man Luo}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{HALO: Hierarchical Reinforcement Learning for Large-Scale Adaptive Traffic Signal Control}}, booktitle = {{Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026}}, pages = {5368--5379}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3792352}, doi = {https://doi.org/10.1145/3774904.3792352} }