The Austin Area Terminal Railroad (reporting mark AUAR) was a short-line terminal railroad headquartered in Round Rock, Texas.
AUAR operated a 154.8 miles (249.1 km) line from Llano, Texas, to an interchange with Union Pacific at Giddings, Texas, with a 6.4 miles (10.3 km) branch from Fairland to Marble Falls.
The line, which was originally a Southern Pacific branch that had been operated by Longhorn Railway until AUAR assumed control, is owned by Capital Metropolitan Transportation Authority, with whom AUAR had a contract to operate the railroad from April 2000[1] to September 2007.
AUAR traffic included aggregates, crushed limestone, calcium bicarbonate, lumber, beer, chemicals, plastics, and paper.
In addition, the Austin Steam Train Association operated an excursion train between Austin, Cedar Park, and Burnet.