The information presented in this application provides point locations based on the Washington State Department of Transportations (WSDOT) 24k LRS routing layer. These points mark the milepost values to the nearest 1/10th of a mile on Interstate, US Highway, and State Routes in Washington and provide information about the milepost location such as the Route ID, milepost value, roadway direction, latitude/longitude, and the date of the last update to the data.If you have any questions about this application, please email OnlineMapSupport@wsdot.wa.gov.