Anyone, 5 years of age and older, is eligible to receive the COVID-19 vaccine. Find your nearest vaccination location at vaccines.gov.
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.
The drawing files below are the most current revisions. Navigate to District Specific Standards to view specific drawings that pertain to IDOT districts.
This website utilizes varied software, media tools, files and applications to present or make available varied information. If you are unable to open these files, please navigate to the troubleshooting webpage for assistance.
Individual CADD files (Microstation .dgn format) of the Highway Standards are available upon request. To submit a request, send an e-mail to DOT.HwyStds@illinois.gov
To receive updates related to the Highway Standards 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 with each email notification.
Instructions to unsubscribe will be included in every subscription list email.
Illinois Department of Transportation
Hanley Building
2300 S. Dirksen Parkway
Springfield, IL 62764
(217) 782-7820 or TTY (866) 273-3681