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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

PDDM 1: Introduction

PDDM Chapter 1

  • Section 1.1 General
    • 1.1.1 Purpose
    • 1.1.2 Philosophy and Technical Policies
    • 1.1.3 Risk
    • 1.1.4 About the PDDM
  • Section 1.2 Guidance and References
    • 1.2.1 Code of Federal Regulations (CFR)
    • 1.2.2 Federal-Aid Policy & Guidance
    • 1.2.3 National Interagency and Project Agreements
    • 1.2.4 American Association of State Highway and Transportation Officials (AASHTO) Policy and Guides
    • 1.2.5 Federal Lands Highway References
  • Section 1.3 Partners, Programs, and Planning
  • Section 1.4 Glossary
    • 1.4.1 Abbreviations
    • 1.4.2 Definitions