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21. Truck Networks, California, 2011

2011. California. Department of Transportation. This line shapefile represents the truck network in California as of 2011. This layer shows sanctioned routes for commercial truck traffic located ... California. Department of Transportation.

22. Waterways Network: United States and Territories, 2011

2011. Vanderbilt Engineering Center for Transportation Operations and Research, Waterborne Commerce Statistics Center (U.S.), and United States. Bureau of Transportation Statistics. The National Waterway Network is comprised of a link database and a node database. Links are line strings, which consist of beginning and end point... United States. Bureau of Transportation Statistics.