Archival Version

In order to investigate the impact of disamenities (Weiss et al., 2011) on neighborhood walkability, this study describes the number and proportion of primary and secondary roads per census tract and ZIP code tabulation area in the United States.为探究不利设施（disamenities）（Weiss等，2011）对街区步行适宜性的影响，本研究统计了美国各人口普查片区（census tract）与邮政编码统计区（ZIP code tabulation area）内主次干道的数量及占比。