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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Agency Alert

Welcome to the new IDOT home page.  Our location has changed, please update any bookmarks.

Manuals and Guides

Please visit the Policies & Publications Center for a full list of Manuals, Policies & Guides.

Bureau of Design and Environment Manual

The Bureau of Design and Environment (BDE) Manual contains the policies and procedures which govern the location, design, and environmental evaluation of highway construction projects on the state highway system.
Download the BDE Manual in PDF

Procedure Memorandum
Navigate to the BDE Procedure Memorandums to view a complete listing of changes.

Contact
For comments or questions regarding the BDE Manual, please send an email to DOT.BDEManual@illinois.gov

Subscription
To receive email notifications of BDE Manual changes, subscribe through the free subscription service.  Click on the link below and send the blank email that pops up. (Do not add anything to the subject line or to the body of the email).  Directions for unsubscribing are included within each email notification.
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CREATE Program Manuals

IDOT’s Office of Intermodal Project Implementation, via the Bureau of Freight Rail Management, shall publish and maintain guidance that establishes uniform policies and procedures for the planning, environmental review, design, and construction of rail projects identified as part of the Chicago Region Environmental and Transportation Efficiency (CREATE) Program.

CREATE Program Manuals

CREATE Program Flow Charts

District Specific Standards

These drawings and files are specific to individual IDOT districts, click here to view.

Illinois Construction Scheduling Expert System (ICSES)

Illinois Construction Scheduling Expert System (ICSES) is a Windows-based software program used for planning and scheduling road construction projects. The program is designed to allow users to develop an engineer’s estimate of time required to complete road and bridge construction projects.

The ICSES user manual can also be downloaded here.

Highway Standards

These drawings show the details of various construction items and are used in conjunction with the Standard Specifications. The applicable standards are referenced on the cover sheet of the plans. To view the current drawing files and PDF files please click here.

Survey Manual

The Survey Manual contains material that is informational and instructional, and sets forth
guidelines and accepted practices to be used by IDOT personnel performing surveying work. To view the current Survey Manual, click here.

Transitional Approaches to Channelized Intersections

The values contained in the tables of this pamphlet provide the data necessary for either the design or the construction layout of the 128 types of transitional approaches to channelized intersections used by the Illinois Division of Highways. Click here to view.

Project Websites

Requirements and process for creating a project specific website: click here

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