RRI Office at VSKP controls a stretch of 10-12 km's of automatic signalling system. one such control office is at Gopalapatnam too from where the caution zone starts/automatic block section starts/ends.
At peak times, the trains enter VSKP in less 6-9 mins interval.
Some before time running trains are regulated at outer VSKP or lese near DVD/Thadi section n some near KTV/PDT sections.