This paper proposes a vehicle monitor framework, which integrates X3D, XML with GPS, and it realizes vehicle movement model, to locate exactly where the cars run in, and to watch cars run in TTA.

• 框架集成三维建模技术、X3D技术、差分GPS技术、数据库技术和车辆运动模型,对行驶在立交区域的车辆进行实时监控,准确定位当前车辆的具体路段。