Place Information System, I got from TIB433S.
wrong
Passenegr information System
can be a simple LED screen. PIS also comes with audio for the
blind. i reckon the new SMRT ones dun have audio still..which is
rare in the world. most PIS comes with announcement systems.
or a real advanced LCD screen or plasma Tv showing the locality
map or orving GPS maps.
If it displays a roving map with GPS location, it will be called
a GDS (Graphic Display System)
PIS also applies to trains.
