Yes, basically. Just a couple meters down the road from Ernst-Reuter-Platz.

https://www.google.com/maps/@52.5130025,13.3266565,18.56z

Here's an old aerial photo from 1989 for comparison: https://gdi.berlin.de/data/luftbild_1989_10/pictures/1989_10...

I believe the crosswalk/traffic light was installed sometime around 1994, which is when the person who relayed the story to me attended the university.