The recent closing of the McDonald's at 40th-Walnut in Philadelphia, Pennsylvania was probably most notable for eliminating a single level structure that will likely be replaced with a taller edifice. The former restaurant adjoins trackage that is only used consistently during times when work is being performed on the Trolley Subway.
July 15, 2021:
https://www.riverrailphoto.com/septatrolley/ee55bf07