Caltrans flexible pavement design software
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These updates are incorporated in this revision and is consistent with the current process for scoping SHOPP projects. Additionally, State law and policies have amended the process for management and selection of State Highway Operation and Protection Program (SHOPP) projects for Caltrans. Since the issuance of the previous version of DIB 81, the California Department of Transportation (Caltrans) has implemented various policy and procedural updates for district design delegation, project initiation documents, traffic safety devices, complete streets, and asset management. Projects that propose improvements beyond the DIB 81 guidance will be processed using DIB 79.
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Geometric enhancements are not included, and the work cannot degrade any existing safety or geometric aspects of the roadway facility. This work provides cost effective treatments to an existing roadway system without increasing pavement structural capacity. This DIB is effective as of the date of this memorandum and is to be implemented with the procedures in the Highway Design Manual Index 82.5 "Effective Date for Implementing Revisions to the Design Standards." Backgroundįederal-aid funding provisions allow for projects to accomplish preventive maintenance activities of the pavement. Subject: Design Information Bulletin 81-02ĭesign Information Bulletin (DIB) 81 "Minor Pavement Rehabilitation Capital Preventive Maintenance (CAPM) Guidelines" has been updated to version 81.02 and is now available on the Division of Design DIB external website at. To: District Director, Deputy Director, and Division Chiefs Minor Pavement Rehabilitation Capital Preventive Maintenance (CAPM) Guidelines State of California Memorandum