It's like the former Woodlands Centre terminal, after all the
services there are relocated to Woodlands Regional interchange,
feeder services 900 and 904 still called there.
Hougang South interchange is closed last month, maybe due to the
expiry date. The reasons for the 3 services to use the interchange,
I guess, is that staffs are not needed as the 3 services do not
terminate there, and also re-development has not started. The
interchange is just like a normal bus stop.