India, May 11 -- Central Railway has upgraded the Signal Location Announcement System (SILAS) across all Mumbai suburban local trains to assist motormen in safer and error-free train operations, officials said on Monday.

The GPS-based SILAS functions as an "electronic co-pilot" by announcing the number and position of upcoming railway signals, including whether they are located on the left, extreme left, right or extreme right side.

More than 2,300 local train services operate daily on Central Railway's suburban network under an automatic signalling system. Since most signals are placed just 400 to 500 metres apart, motormen often work under intense operational pressure.

Central Railway Chief Public Relations Officer Swapnil Nila said ...