@article{ecosimdataefficientfinetuningforcontroll,
  title = {ECoSim: Data Efficient Fine-Tuning for Controllable Traffic Simulation},
  author = {Yu-Hsiang Chen and Wei-Jer Chang and Yi-Ting Chen and Masayoshi Tomizuka},
  year = {2026},
  eprint = {2607.00545},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.00545},
}