Appendix S Project Study Report-Project Development Support
PDPM Appendix S Project Study Report-Project Development Support Project Initiation Document and Appendix S Template: PSR-PDS were updated January 20, 2026 to comply with California codes, Executive Orders (EO), Deputy Directives, and Strategic Plans.
Updates include the following topics:
- Engagement and equity
- Climate change considerations
- Caltrans System Investment Strategy (CSIS)-Strategic Investment Planning
- Vehicle miles traveled
- Transportation asset management
- Complete streets
- Quality management assessment
The official version of the Project Development Procedures Manual (PDPM) is the electronic version located on the California Department of Transportation (Caltrans) Division of Design Website.
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