In providing this data or access to it, ITD assumes no obligation to assist the user in the use of such data or in the development, use, or maintenance of any applications applied to or associated with the data or metadata. In no event shall ITD have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind arising out of the use of or reliance on the geographic data or metadata. It is the sole responsibility of the user to determine the usability of the data for their purposes. 
The Idaho Transportation Department (ITD) provides this geographic data and any associated metadata “as is” without warranty of any kind, including but not limited to its completeness, fitness for a particular use, or accuracy of its content, positional or otherwise. Milepoint Log is maintained as part of the LRS system. The LRS defines a unique identifier and mile points for location of all sections of covered roads and highways throughout the State of Idaho. Linear Reference System – The GIS group maintains and updates a temporal Linear Reference System (LRS) for the Highways Division. This certification is then used throughout the following year to distribute State Highway Distribution Account monies to each of the local jurisdictions on a quarterly basis. Annually we produce a certification of these mileages for the Department Director’s signature. This information is checked and entered into our GIS system. 
Local Roads Program – This program collects information from all local Highway Districts and County Road and Bridge Groups regarding miles of improved local roads that they maintain and are responsible for.We support, build, and maintain enterprise, GIS enabled applications, data, and websites, both internal and external. We maintain all enterprise GIS data in a Spatial Database Engine data store in a SQL underlying database. Digital Mapping/Data – The GIS Group maintains and makes available statewide GIS datasets in support of all ITD Divisions.We have three distinct functions within the GIS Section: The Geographic Information Systems (GIS) Section supports all Divisions within ITD. The IPlan Map is interactive and includes these detailed layers:Ĭontact: Geographic Information Section | Idaho Transportation Department | Email: GIS Downloadable Data Go to IPlan Maps to view the State of Idaho road system and administrative data.
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