Design and Construction Project Support

The Design and Construction Support site is constantly being updated. Please use the search feature on this site if you can't locate the document you're seeking.

I25 and US-36 Construction 

We've Moved!

CDOT has moved its central and Denver Metro area headquarters:
2829 W. Howard Pl.
Denver 80204

Please update this address change in all documents that still have the old CDOT address (4201 E. Arkansas Ave. Denver 80224) All documents with the old address are still official and good to use. Thank you.

CDOT's Printing Plant has closed. Learn more.

Use this page to find resources used in the design and construction of CDOT Highway projects:

Stay Informed

If you're a CDOT employee, consultant or contractor who would like to receive emails about the latest updates and revisions to these websites, please . Include your name, company name and the email address at which you'd like to receive updates.