The way is (was) tagged with highway=construction. That means it is under construction or construction starts in future. It does not mean, that it is already there.
By the way: The road is officially named by the city counsil: https://ratsinfo.aachen.de/bi/___tmp/tmp/45081036/Cma1rqXu7XIPbKWGjEBOCVZmdYbRbzSfo4NYTOkm/uRkXeGDP/79-Anlagen/02/Lageplan.pdf.