Design & Construction Project Support

The Design and Construction Project Support site is constantly being updated. Please use the Search feature if you cannot locate the document you're seeking.

Notice of Disclaimer: The Colorado Department of Transportation (CDOT) makes these documents available on an "as is" basis. All warranties and representations of any kind regarding said documents are disclaimed, including the implied warranties of merchantability and fitness for a particular use. Under no circumstances will the CDOT, or any of its officers or employees, be liable for any consequential, incidental, special or exemplary damage even if apprised of the likelihood of such damage occurring. The CDOT does not warrant the documents against deficiencies of any kind. The use of any of these documents for the work which is under contract with the CDOT, does not relieve the contractor from any obligations assumed by the contract, or from complete and proper fulfillment of the terms of the contract, nor does it entitle the contractor to compensation for damages or loss which could be attributed to such use.
I25 and US-36 Construction 
  • CDOT M Standards Plans users must accept terms of this disclaimer.

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

  • Build America (BA) and Buy America, Buy America (BABA) Requirements: Introduces the Buy America requirements for the use of iron and steel products in federally-funded highway construction projects and explains how to document the processes for iron and steel products.
  • CDOT Library: Established in 1949, the CDOT Library provides CDOT employees, engineers, and researchers with transportation-related resources and information. Our collection is a combination of both print and electronic resources including technical reports, journals, books, and databases. 
  • Construction Specifications: Access CDOT construction specifications, standard editions, policy directives, and required forms for specification revisions and proprietary item requests (FIPI).
  • Bulletins and Manuals: Construction and Design Bulletins, Manuals, and Memos.
  • M Standard Plans: Download individual CDOT M Standard Plan sheets, revision lists, and CAD files for roadway and bridge design projects. View current technical standards, update notices, and transition guidelines for the digital-only 2026 M Standard Plans release.
  • S Standard Plans: Access CDOT’s S Standard Plans and details for traffic safety features, including signage, pavement markings, signals, lighting, and temporary traffic control.
  • CADD Highway Engineering Design Processes: Provides CAD standards, software installation guides, design workflows, and training resources for implementing Bentley OpenRoads Designer on CDOT engineering projects.
  • Alternative Delivery Program (Design-Build and CM/GC): A process of systematic decision-making, risk identification and allocation, identification of goals and objectives, identification and development of strategies, and creation of a competitive procurement environment.
  • Contractor Dispute Review Board (DRB) Program: The DRB assists in the final resolution of disputes and claims between CDOT and hired contractors.
  • Intelligent Transportation Systems (ITS) Specifications: Part of the Division of Maintenance and Operations, ITS serves and supports the CDOT and the traveling public with technologies to better communicate, decrease travel times, and create a safer driving environment.
  • CDOT & Local Agency: CDOT guidance, manuals, and compliance resources for local agency transportation projects.
  • Materials and Geotechnical: Bulletins, Manuals, Policy and Procedures, Guidelines, Approved Products List, other documents, and archived references.
  • Project First on Construction Projects: Project First formalizes the partnering process to proactively identify and manage risks.
  • CDOT & FHWA Stewardship and Oversight Agreement: On Project Assumption and Program Oversight by and between the Federal Highway Administration, Colorado Division Office, and CDOT.
  • Water Quality: Overview of CDOT's water quality permits, stormwater management, and environmental protection programs.
  • The Specifications & M Standards Unit Annual Event Calendar: This calendar tracks projects milestones, key dates, events, and deadlines for the Specifications and Standards Unit. You may have to scroll to other months if projects extend into additional month.

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 email [email protected]. Include your name, company name and the email address at which you'd like to receive updates.