International Roughness Index: Iowa, 2013
- Iowa DOT GIS Services
- The Pavement Management Information Systems (PMIS) from 2011 through 2015 contains various levels of data on the pavement condition and history of Iowa Interstate and Primary routes. The data was collected by a 3rd party vendor and processed by the Iowa Department of Transportation. Starting in 2013, the data is reported in English Units instead of Metric Units.
- ArcGIS Open Data
- Iowa, United States
- Contributed by:
- More details at
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