"A Century of Sprawl in the United States"

• The main article with SI or just the main article from the Proceedings of the National Academy of Sciences, 2015 June 15.
• The 22-page Supporting Information (SI) in LOW-resolution (300 dpi)
•             ................... or in HIGH-resolution (600 dpi)

Zoomable maps at the scale of census blockgroups are available for the largest urban areas in the USA

• http://goo.gl/p5UI2H (Tarrant, TX);
• http://goo.gl/wpWcLv (Minneapolis-St Paul);
• http://goo.gl/tWqQN3 (Riverside, CA); and
• http://goo.gl/6YTdkc (Los Angeles, CA)

Our time-series data are available publicly at http://dx.doi.org/10.5061/dryad.3k502. The data are provided at four geographic levels:

• U.S.A.
• state
• metropolitan region (CSA and CBSA), and
• county

We also provide snapshots of the latest road network stock from the parcel-based and TIGER/Line data.

Available formats are Python pandas, tab-separated (.tsv) and shapefile.

We also provide network (graph) representations of the nodes in metropolitan areas of the USA in GML format.

Please refer to the two README files for full information (packaged with the data on DataDryad):

• README-geographic-tables.txt
• README-graph-data.txt

Barrington-Leigh, Christopher and Millard-Ball, Adam (2015), "A Century of Sprawl in the United States." Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1504033112

For further questions, please contact:

• Chris Barrington-Leigh, McGill University: .
• Adam Millard-Ball, University of California, Santa Cruz: adammb@ucsc.edu