WSDOT - National Highway System for State Routes

This is an extract from the TRansportation Information and Planning Support (TRIPS) mainframe database for National Highway System (NHS) Route events along State Routes. State Route identifiers and locations based on State Route Mileposts and Accumulated Route Mileage are also included for geographic reference and for use with the Washington State Department of Transportation's 24k and 500k Linear Referencing Systems. Please direct questions about this dataset to: [e-mail].本数据集节选自交通信息与规划支持（TRIPS）大型主机数据库，收录了州级公路沿线的国家公路系统（NHS）路线事件相关数据。数据集同时附带基于州公路里程桩与累计公路里程的州公路标识符及位置信息，可作为地理参考依据，且可配合华盛顿州交通运输厅（WSDOT）的24k与500k线性参考系统使用。有关本数据集的相关疑问，请发送至邮箱：[e-mail]。