National Neighborhood Data Archive (NaNDA): Primary and Secondary Roads by Census Tract and ZIP Code Tabulation Area, United States, 2010
收藏ICPSR2022-01-01 更新2026-04-16 收录
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https://www.icpsr.umich.edu/web/ICPSR/studies/38585/versions/V1
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资源简介：
This collection contains measures of primary and secondary roads (highways and main arteries) per United States census tract and per United States ZIP code tabulation area (ZCTA) in 2010. These measures may be used as a proxy for heavy traffic, high traffic speeds, and impediments to walking or biking. Variables include: counts of primary, secondary, and all streets per tract and per ZCTA; total length of primary, secondary, and all streets per tract and per ZCTA; ratio of primary and/or secondary road counts to all roads; and ratio of length of primary/secondary roads to all streets.
提供机构：
Washington University in St. Louis; University of Michigan. Institute for Social Research
创建时间：
2022-01-01
