摘要: |
The purpose of this research project was to develop visualizations that display pavement performance data and information in a visually clear and insightful way. The data used to generate these interactive visuals were provided by the Iowa Department of Transportation and covered the period from 2013 to 2015. This data set contains numerous indicators of pavement performance by road segment, county, and district. Tableau 10.3 was used conduct the visual analysis. This work focused on identifying information about the different types of cracks, relationships between them, relationships between condition and distress data, and performance in Iowa districts and counties. Counties were divided into five county types based on their size and proximity to major cities, as described by U.S. Census data from 1970 to 2010. These five county types included central city metropolitan, outlying metropolitan, regional center, small urban, and rural. |