2017. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by biking in the 50 largest (by population) metropolitan areas in ...
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2014. Owen, Andrew and Levinson, David M. This data was created as part of a study that examined the accessibility to jobs by transit in 46 of the 50 largest (by population) metropolitan ar...
2015. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 49 of the 50 largest (by population) metropolitan ar...
2016. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 49 of the 50 largest (by population) metropolitan ar...
2017. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in 49 of the 50 largest (by population) metropolitan ar...
2018. Murphy, Brendan and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by transit in the 50 largest (by population) metropolitan areas in...
2014. Murphy, Brendan, Levinson, David M, and Owen, Andrew. This data was created as part of a study that examined the accessibility to jobs by walking in the 53 largest (by population) metropolitan areas in...
United States, Office of Strategic Services., Research and Analysis Branch. and United States, Office of Strategic Services., Reproduction Branch. compiled and drawn in the Branch of Research and Analysis, O.S.S. "6 June 1944." Shows 1938 boundaries and major railroads, roads and trails. Inclu... OSS Reproduction Branch.
2014. United States. Bureau of Transportation Statistics and Jessberger, Steven. This point shapefile contains the locations of travel monitoring station sin the United States. The attributes for these databases have been intent... United States. Bureau of Transportation Statistics.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This polyline shapefile represents roads in North America only, including preliminary scale ranking and full list of attributes. The “basic” roads ... North American Cartographic Information Society.