@article{ahybridphysicsmachinelearningapproach,
  title = {A Hybrid Physics Machine Learning Approach for Macroscopic Traffic State Estimation},
  author = {Zhao Zhang and Ding Zhao and Xianfeng Terry Yang},
  year = {2022},
  eprint = {2202.01888},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2202.01888v2},
}