PDDM Chapter 4
- Section 4.1 - General
- Section 4.2 - Guidance and References
- 4.2.1 - Standards of Practice
- 4.2.2 - Guidance
- Section 4.3 - Problem Definition
- 4.3.1 - Identify Purpose and Need
- 4.3.2 - Gathering Existing Information
- 4.3.3 - Site Inspection
- Section 4.4 - Design Standards
- 4.4.1 - Applicable Design Standards
- 4.4.2 - Resurfacing, Restoration and Rehabilitation (RRR) Projects
- 4.4.3 - Geometric Design Criteria
- 4.4.4 - Design Controls
- 4.4.5 - Flexibility in Highway Design
- 4.4.6 - Risk Assessment
- Section 4.5 - Preliminary Engineering Investigation
- 4.5.1 - Project Scoping Study
- 4.5.2 - Project Scoping Report
- 4.5.3 - Corridor Study
- Section 4.6 - Developing the Evaluation Framework
- 4.6.1 - Context Sensitive Solutions Approach
- 4.6.2 - Interagency Scoping and Stakeholder/Public Involvement
- 4.6.3 - Developing a Proposed Course of Action
- 4.6.4 - Project Agreement
- Section 4.7 - Alternatives Development and Evaluation
- 4.7.1 - Types of Alternatives
- 4.7.2 - Development of Preliminary Engineering Concepts
- 4.7.3 - Description of the Alternatives
- 4.7.4 - Alternative Benefits and Consequences
- 4.7.5 - Alternative Evaluation and Recommendations
- Section 4.8 - Design Features of the Proposed Improvements
- 4.8.1 - Geometric Design Elements
- 4.8.2 - Intersections
- 4.8.3 - Railroad-Highway Crossings
- 4.8.4 - Geotechnical
- 4.8.5 - Hydrology and HyDraulics
- 4.8.6 - Structures
- 4.8.7 - Pavements
- 4.8.8 - Right-of-Way
- 4.8.9 - Access Management
- 4.8.10 - Utilities
- 4.8.11 - Permits
- 4.8.12 - Environmental Features and Concerns
- 4.8.13 - Construction Considerations
- 4.8.14 - Design Exceptions
- 4.8.15 - Cost Estimates
- Section 4.9 - Implementation
- 4.9.1 - Preliminary Design Review
- 4.9.2 - Program Requirements
- 4.9.3 - Stage Construction
- Section 4.10 - Documentation
- 4.10.1 - Preliminary Engineering Study Report
- 4.10.2 - Environmental Document
- 4.10.3 - Development Required for Final Plans, Specifications, and Estimate (PS&E)