There is a barbershop (“JD’s Barbershop”) on the west end of this building. https://jdsbarbershopsomd.booksy.com/s/
20943 Point Lookout Rd, Unit #3, Callaway, MD 20620.
To the east of JD’s is China Cafe, a Chinese food restaurant https://yelp.to/bKRkxFEt7h, which looks like is incorrectly shown being farther south. The location where it is shown now is undeveloped.

Dyson’s Hardware Store

New pickle ball courts

via StreetComplete 58.2

Unable to answer "What kind of building is this?" – Building – way/1227266980 via StreetComplete 61.1:

Building no longer here.

No tower visible here. Where is it's actual location (provided it is still standing)?

node/358243969

max speed changes to 40mph here westbound

"A new development, Woodleigh Chase, was constructed at this location. Opened ~2023."
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2025-10-04T01:14:47Z
POI name: Northern Virginia Training Center
POI types: amenity-school
#organicmaps android 2025.10.05-7-FDroid