Since 1993? The two earliest surviving ATCC circuits in Australia Fourth and fifth respectively behind Gnoo Blas, Lowood and Longford), Mallala and Lakeside were dumped from the series, under questionable circumstances. Symmons Plains was dumped as well, the circuit thats hosted more rounds than any other. Phillip Island is gone now too. Barbagallo is hanging on by the skin of its teeth. Amaroo has been consigned to history.
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