You searched for: Format Shapefile Remove constraint Format: Shapefile Publisher United States. Bureau of Transportation Statistics Remove constraint Publisher: United States. Bureau of Transportation Statistics Subject Transportation Remove constraint Subject: Transportation Subject National Highway System Remove constraint Subject: National Highway System Subject Freight and freightage Remove constraint Subject: Freight and freightage Institution Stanford Remove constraint Institution: Stanford Place United States Remove constraint Place: United States Place Washington (D.C.) Remove constraint Place: Washington (D.C.)