Median travel time to human settlement of 50,000 or greater population.
Data Sources & Credits
HarvestChoice/International Food Policy Research Center (IFPRI), 2009.
HarvestChoice, 2015. "Travel time to nearest town over 50K (mean, hours, 2000)." International Food Policy Research Institute, Washington, DC., and University of Minnesota, St. Paul, MN. Available online at http://harvestchoice.org/data/tt_50k.