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New Buy America (BA) and Build America, Buy America (BABA) Requirements
2024-1. February 21, 2024. The purpose of this Bulletin is to provide information and instruction regarding revisions to Standard Specifications 101.02 and ...
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Revisions Under Advertisement Quality Control Reviews
2023-3. September 22, 2023. Instructions on how to improve the Revisions under Advertisement process and reduce the potential for issuing multiple revisions. ...
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Project Development Manual Update
2023-2. August 16, 2023. The new Section 1 of the Project Development Manual (PDM) is now available for use. Please note that individual Design Bulletins will ...
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Tips for Applying the Traffic Signal One-Line Diagrams
2023-1. June 27, 2023. Several electrical utility companies and CDOT Regions are now requiring that traffic signal projects include electrical one-line ...
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Utility Conflict Management (UCM) - Utility Conflict List
2022-1. February 8, 2022. The purpose of this Design Bulletin is to provide guidance for the use of the Utility Conflict Matrix (UCM) for the identification of ...
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Systems Engineering Analysis (SEA) Process
2021-3. December 1, 2021. As of September 1, 2021, projects will follow the revamped Systems Engineering Analysis (SEA) process. The SEA will no longer be a ...
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Operations Evaluation (Formerly TSM&O)
2021-2. December 1, 2021. On January 1, 2016 all projects with a Design Scoping Review on or after February 1, 2016 required a Transportation Systems ...
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Guidance for using Standard Special Provisions - 207-Topsoil, 212-Soil Amendments, Seeding, and Sodding, and 214-Nursery Stock Containers and Unrooted Cuttings
2020-4. July 9, 2020. Revised on September 25, 2020. The purpose of this Design Bulletin is to provide information regarding approved Standard Special ...
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Construction Management Staffing Tool
2020-6. August 10, 2020. The purpose of this Bulletin is to inform CDOT project personnel that the Construction Management (CM) Staffing Tool is available for ...
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Two New Options for Post Construction Landscape Establishment
2020-5. July 24, 2020. Construction projects may include an extended landscape establishment period to ensure the successful establishment of revegetation, ...
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