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2022 CDOT Engineering Estimate Request
2022-2. February 17, 2022. The Engineering Estimates and Market Analysis (EEMA) Branch is implementing a new process to request Engineering Estimates for ...
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Design Bulletins
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Advertisement of Accessible Plans and Specifications
2024-4. September 20, 2024. Per Procedural Directive 31.1, titled "Website Development and Web Accessibility", content on an external-facing Colorado ...
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Design Bulletins
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Assigning Pavement Smoothness Categories
2024-3. July 1, 2024. This design bulletin provides guidance to designers for assigning pavement smoothness categories for hot mix asphalt and Portland cement ...
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Design Bulletins
Updated on April 24, 2025.
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Bulletins and Manuals
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Design Exception Protocol
2024-5. October 9, 2024. As part of the larger rewrite of the Colorado Department of Transportation (CDOT) Project Development Manual (PDM), Section 2.05 ...
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Flagging Information
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Design & Construction Project Support
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Other Design Documents
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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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New Colorado Discharge Permit System Stormwater Construction Permit (CDPS-SCP) Requirements
2024-2. May 16, 2024. The purpose of this Bulletin is to provide information and instruction regarding revisions changes to the Water Quality Specifications ...
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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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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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