Illinois Department of Transportation, Erica Borggren, Acting Secretary
Patrick J. Quinn, Governor
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Illinois Highway Information System
Structure Information & Procedure Manual

The purpose of this manual is to establish a set of procedures to explain how Structure data is collected and entered in the Illinois Structure Information System (ISIS).


Revisions (last revision: July 1, 2011)



Definition Of Terms

Data Item List by Item Name

Using ISIS Manual Items
Data Item Descriptions

Appendix A - Municipality List

Appendix B - Township/Road District List

Appendix C - Clarification of Data Items
Appendix D - ISIS Screen Access (IDOT Users)
Appendix E - ISIS Forms & Reports
Appendix F - ISIS Screens (IDOT Users)
ISIS Manual


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