Recently, there are an abundant amount of urban vehicle trajectory data that is collected in the urban road networks. Many previous researches use different algorithms, especially based on machine learning, to analyze the patterns of the urban vehicle trajectories. Unlike previous researches which used discriminative modelling approach, this research suggests a generative modelling approach to learn the underlying distributions of the urban vehicle trajectory data. A generative model for urban vehicle trajectory can produce synthetic vehicle trajectories similar to the real vehicle trajectories. This model can be used for vehicle trajectory reproduction and private data masking in trajectory privacy issues. This research proposes \textit{TrajGAIL}; a generative adversarial imitation learning framework for urban vehicle trajectory generation. In TrajGAIL, the vehicle trajectory generation is formulated as an imitation learning problem in a partially observable Markov decision process. The model is trained by the generative adversarial framework which use the reward function from the adversarial discriminator. The model is tested with different datasets, and the performance of the model is evaluated in terms of dataset-level measures and trajectory-level measures. The proposed model showed exceptional performance compared to the baseline models.

该研究提出了一种基于生成对抗性模型（TrajGAIL）的机器学习方法，使用生成建模方法学习城市车辆轨迹数据的潜在分布，从而能够生成与实际车辆轨迹相似的合成轨迹来解决数据稀疏性或数据隐私问题，并在模拟和现实数据集中得到显著的性能提升。

利用生成对抗模仿学习生成城市车辆轨迹