There were several others in Italy.
Site in Italian:
[
it.wikipedia.org]
Google translation of one paragraph:
Since this is a fixed installation, the star inversion requires less maintenance compared to the turntable and therefore was for this reason preferred to it in some cases. Compared to the triangle of recourse, more prevalent in the United States , the number of operations required is greater, but the space is much smaller. The dimensions are also much smaller than the loop return, which, however, has the advantage of being able to reverse an entire convoy.
Photos:
[
scalaenne.wordpress.com]