Abstract
Sidewalks are a critical but underresourced part of our transportation system. Despite their importance in promoting equity, health, and safety, sidewalk networks are often underfunded and municipalities may have little information about their condition. We conducted a document review, informant interviews, and a descriptive study of 21 selected U.S. cities to compare practices for conducting sidewalk inventories and their use for improving municipal sidewalk networks. Although diverse in geography, population size, density, and median household income, the selected cities represent a sample of convenience and not a random sample of U.S. cities. The results suggested that compliance with the Americans with Disabilities Act is a primary motivator for conducting sidewalk inventories and the cost of conducting an inventory is not prohibitive. Inventory methods included walking each sidewalk segment using handheld devices, LIDAR mounted on wheeled vehicles, and aerial photography, with data uploaded to geographic information system databases. Sidewalk inventories can be used to promote equity by increasing the percentage of city streets that have sidewalks. Areas for future study include developing better cost estimates for each type of sidewalk inventory method, examining the legal implications of sidewalk inventories, and estimating the incremental health benefits obtained for each additional investment in sidewalk construction and repair.
Published Version
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