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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

9: Highway Design

Chapter_09.pdf (1.67 MB)

– CFL Supplements
– EFL Supplements
– WFL Supplements
– Design Procedures Guide

PDDM Chapter 9

  • Section 9.1 - General
    • 9.1.1 - Role of the Designer
    • 9.1.2 - Design Requirements and Standards
    • 9.1.3 - Exceptions to Design Standards
    • 9.1.4 - Variances to FLH Standard Practice and Guidance
    • 9.1.5 - Design Philosophy and Context Sensitive Solutions
  • Section 9.2 - Guidance and References
    • 9.2.1 - Standards of Practice
    • 9.2.2 - Guidance
    • 9.2.3 - Internal FLH Guidance
  • Section 9.3 - Geometric Design
    • 9.3.1 - Geometric Design Controls
    • 9.3.2 - Aesthetic Considerations
    • 9.3.3 - Horizontal and Vertical Alignment Relationships
    • 9.3.4 - Combinations of Design Elements and Features
    • 9.3.5 - Horizontal Alignment
    • 9.3.6 - Vertical Alignment
    • 9.3.7 - Sight Distance
    • 9.3.8 - Geometric Cross Section
    • 9.3.9 - Roadway Widening
    • 9.3.10 - Medians
    • 9.3.11 - Curbs
    • 9.3.12 - Roadside Design Considerations
    • 9.3.13 - Foreslopes
    • 9.3.14 - Design of Intersections
    • 9.3.15 - Railroad-Highway Grade Crossings
    • 9.3.16 - Pedestrian Considerations and Facilities
    • 9.3.17 - Bicycle Considerations and Facilities
    • 9.3.18 - Transit Considerations and Facilities
    • 9.3.19 - Parking Lot Layout Considerations
  • Section 9.4 - Resurfacing, Restoration and Rehabilitation (RRR) Design
    • 9.4.1 - Application of Design Standards
    • 9.4.2 - Improvement of Safety Performance
    • 9.4.3 - Evaluation of Existing Geometric Design
    • 9.4.4 - Improvement of Roadside Conditions
    • 9.4.5 - Improvement of Traffic Operations
    • 9.4.6 - Evaluation of Pavement and Drainage Structures
    • 9.4.7 - Mitigation of Substandard Design Features
  • Section 9.5 - Other Highway Design Elements
    • 9.5.1 - Earthwork Design
    • 9.5.2 - Slope Treatments
    • 9.5.3 - Earth Retaining Structures
    • 9.5.4 - Landscaping and Restoration of Vegetation
    • 9.5.5 - Drainage Design
    • 9.5.6 - Soil Erosion and Sediment Control
    • 9.5.7 - Parking and Rest Areas
    • 9.5.8 - Roadway Appurtenances
    • 9.5.9 - Right-of-Way and Utility Considerations
    • 9.5.10 - Environmental Protection and Enhancements
    • 9.5.11 - Construction Considerations
  • Section 9.6 - Plans Specifications and Estimate (PS&E) Development
    • 9.6.1 - PS&E Package
    • 9.6.2 - Alternative PS&E Development and Contracting Options
    • 9.6.3 - PS&E Development at Various Stages of Design
    • 9.6.4 - Reviews
    • 9.6.5 - Plans
    • 9.6.6 - Supporting Information
    • 9.6.7 - Construction Schedule and Contract Time
    • 9.6.8 - Engineer's Estimate
    • 9.6.9 - Specifications
    • 9.6.10 - Contract Assembly
    • 9.6.11 - Quality Control and Quality Assurance