From the record
“The Indianapolis Motor Speedway is a motor racing circuit located in Speedway, Indiana, United States, an enclave suburb of Indianapolis, Indiana. It is the home of the Indianapolis 500 and the Brickyard 400, and formerly the home of the United States Grand Prix and the Indianapolis motorcycle Grand Prix.”
Wikipedia article Indianapolis Motor Speedway, CC BY-SA 4.0.
One of 274 National Register listings published here for Marion County · listed in 1975 · category: District · built in 1909, by Carl G. Fisher, James A. Allison · a National Historic Landmark.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service





