Kemayoran.
Harry, your picture shows up on the Wikipedia page. The caption says 1940.
I flew to Medan and back on a Garuda DC-9 in 1985, shortly before the airport closed. The most alarming landing I have ever experienced. The cockpit door was open and the approach was so steep, that all I could see was the runway number!
JENKINS,
I think what you have spotted is just a typical locally-made barricade on an access road.