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3D Engineered Construction Surveying
2016-4. May 13, 2016. CDOT is now able to provide 3D modeling information to Contractors to be used during bidding and construction, provided the project meets ...
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Bulletins and Manuals
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Design Bulletins
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2018 CDOT Roadway Design Guide (RDG)
2018-7. October 25, 2018. The 2018 release of the CDOT Roadway Design Guide (RDG) is synchronized with the AASHTO 2011, "A Policy on Geometric Design of ...
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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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Design Bulletins
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Superseded Design Bulletins
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2019 CDOT Visual Impact Assessments (VIA) Guidelines
2019-4. November 19, 2019. The purpose of this Design Bulletin is to provide guidance regarding the new CDOT Visual Impact Assessment (VIA) guidelines, ...
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Design Bulletins
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2020 CDOT MASH Compliance Guardrail Policy
2020-3. June 29, 2020. The purpose of this Design Bulletin is because the Standards and Specifications Unit is revising and updating the implementation policy ...
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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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Bulletins and Manuals
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Accelerated Bridge Construction (ABC)
2012-3. December 13, 2012. Provides general guidance as to the use of accelerated bridge construction techniques on a project that contains one or more ...
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Superseded Design Bulletins
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ADA Accessibility Reqs. PD 605.1 [Form 464 Ref. Removed]
2018-5. Form #464 references have been deleted from the Procedural Directive 605.1 since the form is no longer used for curb ramps
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Design Bulletins
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American Recovery and Reinvestment Act (ARRA) Projects
2009-4. March 20, 2009. Provides guidance on preparing projects that are funded with ARRA funds for advertisement.
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Design Bulletins
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Superseded Design Bulletins
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Assigning Pavement Smoothness Categories
2011-3. Revised on February 22, 2016. Superseded on January 12, 2017. This design bulletin provides guidance to designers for assigning pavement smoothness ...
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Design Bulletins
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Superseded Design Bulletins