_“In January, Penn Station said goodbye to the old sign - known as a Solari board after the Italian company that introduced the machines in the 1950s. Like so many other familiar inventions of the Industrial Age, the flip-flapping signboards are going the way of the steam engine in rail stations around the world…”_
To clarify: the split-flap elements used by the Swiss railway (SBB/CFF/FFS) were produced by Omega Electronics and had the controlling hardware embedded on each element, controlled via RS-485; the older Solaris needed an external controller that drove the stepper motors.
I live in the NYC metro area and PENN station changed their display in 2017.
https://www.nytimes.com/2017/01/24/nyregion/penn-station-dep...
Looking for the date, I found this nice article about an Amtrak sign in Baltimore which was replaced in 2010:
https://www.baltimoresun.com/features/bs-xpm-2010-03-22-bal-...
_“In January, Penn Station said goodbye to the old sign - known as a Solari board after the Italian company that introduced the machines in the 1950s. Like so many other familiar inventions of the Industrial Age, the flip-flapping signboards are going the way of the steam engine in rail stations around the world…”_