The key physical difference between automatic and absolute block signalling is the number of signals. Because of the shorter block, automatic signalling has more signals, he said. He cited the example ...

Thrissur: The Southern Railway has approved a Rs 156.47 crore tender bid submitted by the joint venture between K-Rail and RVNL for implementing automatic block signalling system on the 102.74km rail ...

Patna: In a bid to further strengthen track safety, the railways has decided to implement an automatic block signalling system, replacing the old “absolute block system” on the Grand Chord (GC) ...

VIJAYAWADA: In yet another major development and advanced infrastructural upgrade, Vijayawada Division, South Central Railway has commissioned an advanced Automatic Block Signalling (ABS) System for a ...