About the Portal

Technical Documentation

Site Documentation

This documentation describes exactly how the data behind the site was generated. A more basic description of how the site was created and functions is also available.

• The Location Affordability Index Version 2: Data and Methodology
• Location Affordability Index: Modeling Code

Documentation for Version 1 of the Location Affordability Index can be found here. For additional information see Technical FAQs.

Research and Development

The development process for this site included original research and analysis, input from an expert Technical Review Panel, an advisory group made of subject-matter experts from HUD, DOT, EPA, and the Treasury Department, and in-depth third-party reviews of different techniques.

• Technical Review Panel Meeting 1 Summary
• Technical Review Panel Meeting 2 Summary
• Technical Review Panel Meeting 3 Summary
• Technical Review Panel Meeting 4 Summary
• Technical Review Panel Meeting 5 Summary
• White Paper: Summary of Auto Cost Research and Approach
• White Paper: Feasibility of Including Parking Costs
• Third-Party Review: CNT's Housing and Transportation Affordability Index and Other Currently Existing Metrics
• Third-Party Review: Location Affordability Index Housing Cost Model
• Third-Party Review: Auto Cost White Paper