City of Austin Open Data Terms of Use Policy
Data.AustinTexas.gov is the official portal for Open Data from the City of Austin (COA). 

The City of Austin’s GIS/Map Downloads page is the official portal for COA GIS data and map products that do not reside on Data.AustinTexas.gov. 

Both are public domain websites, which means you may link to Data.AustinTexas.gov …