Share of population living in low-income census tracts by Road Ruggedness Scale and rurality group, 2010
- by John Cromartie and Elizabeth A. Dobis
- 1/16/2024
The intersection of rugged terrain and economic activity remains understudied, so USDA, Economic Research Service researchers developed two classifications of U.S. census tracts: the six-level Area Ruggedness Scale and the five-level Road Ruggedness Scale.