Dynamic Message Sign (DMS)

The Idaho Transportation Department's (ITD) Dynamic Message Signs (DMS) are installed along major highways to help drivers make informed decisions, such as choosing an alternative route. They display alerts about crashes, construction, traffic congestion, and road closures. Real-time views of DMS messages are available through the Idaho 511 travel information service website and mobile application. This content item is a sub-layer of the Intelligent Transportation Systems authoritative feature layer. Metadata爱达荷州交通运输部（Idaho Transportation Department, ITD）布设的动态信息标识牌（Dynamic Message Signs, DMS）沿主要高速公路部署，用于辅助驾驶员在充分掌握路况信息的前提下做出决策，例如选择绕行路线。此类标识牌可展示撞车事故、道路施工、交通拥堵及道路封闭等预警信息。动态信息标识牌的实时消息内容可通过爱达荷511出行信息服务网站及移动应用程序获取。本数据条目为智能交通系统（Intelligent Transportation Systems）权威要素图层的子图层。元数据（Metadata）