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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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Design Bulletins
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Guidelines for FIPI and Certification Procedures
2014-11. September 23, 2014. Superseded on June 8, 2020. The purpose of this Design Bulletin is to provide guidance for Findings in the Public Interest (FIPI) ...
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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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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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2019 CDOT Engineering Estimate Request
2019-3. May 8, 2019. (Revised on February 17, 2022 by DB-2022-2) The Engineering Estimates and Market Analysis (EEMA) Branch is implementing a new process to ...
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Issuance Design Bulletin fo the New CDOT Roadway Design Guide Ch 12 - Accessible Pedestrian Design
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CDOT Roadway Design Guide 2005
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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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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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Design Bulletins
Updated on August 10, 2020
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Design & Construction Project Support
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Bulletins and Manuals
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Curb Ramp Variance Submission Guidance
2017-2. August 3, 2017. Per the updated PD 605.1, any curb ramp (or other Accessibility Feature) that cannot be installed without a deviation from the M & S ...
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Superseded Design Bulletins