Geographic Databases for 2014
Friday, July 18, 2014 - The U.S. Department of Transportation’s Bureau of Transportation Statistics released the 2014 edition of the National Transportation Atlas Databases (NTAD) this week. The NTAD is a compilation of datasets representing the nation’s transportation infrastructure including more than 500,000 miles of roadway, over 607,000 bridges and 19,721 airports. The 2014 edition includes, for the first time, the National Highway Traffic Safety Administration highway crash data.