Lane keeping system is one of the key technologies of AHS in which vehicle can be run following the anticipant lane automatically based upon the navigation installation and vehicle- mounted sensors.

• 自动公路系统的关键技术之一是车道保持系统，它是在道路导航设施和车载传感器等基础设施上，实现车辆自动行驶在期望的车道上。