NHPN Description, Schema, and File Structures

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Description

• Overview
• Development of the Network Database
  • Use Of Geographic Information Systems
  • Topology
  • Route System Structures
  • Inventory Routes
• Sources
  • Arc Attributes
  • Arc Shapes
  • Node Attributes
  • Route Attributes
  • Route Shapes
  • Political Boundaries
  • Adjusted Urban Areas
  • Distance Calculations
• Acknowledgements

Schema

• Node Attribute Table
• Arc Attribute Table
• Route Attribute Table

References

Appendix A: State FIPS Codes

Appendix B: HPMS Adjusted Urban Area Table