Illinois Department of Transportation, Erica Borggren, Acting Secretary
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Patrick J. Quinn, Governor
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IDOT County Data Sets

 

Highways  (hwy###.met)

This coverage contains highway related information included in the IDOT Illinois Highway Information System (IHIS) --Illinois Roadway Information System (IRIS).  Information is collected for all public highways as defined in Illinois Compiled Statutes (605 ILCS 5/2-202).  A separate coverage is provided for each the 102 counties.


(Spatial Reference – Stateplane NAD83 West Feet)

Railroad Crossings (rrx###.met)

This coverage contains railroad at-grade crossing related information included in the IDOT Illinois Highway Information System (IHIS) -- Illinois Railroad Information System (IRRIS).  Information is collected for all crossings involving a public highway as defined in Illinois Compiled Statutes (605 ILCS 5/2-202).  A separate coverage is provided for each of the 102 counties.


(Spatial Reference – Stateplane NAD83 West Feet)

Structures (str###.met)

This coverage contains structure related information included in the IDOT Illinois Highway Information System (IHIS) -- Illinois Structure Information System (ISIS).  Information is collected for all structures involving a public highway as defined in Illinois Compiled Statutes (605 ILCS 5/2-202).  A separate coverage is provided for each of the 102 counties.


(Spatial Reference – Stateplane NAD83 West Feet)

 

(### = County Number)

Note:  The metadata file (.met) can be viewed with a text editor such as Wordpad, Notepad or Microsoft Word.

 

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