Emergency Third Rail Power Trip was created in 1983-02.
Its a separate rail (metal bar) that carries the voltage to power some trains.
Most use a "third" (or power) rail.
In the UK the third rail is 750v DC 400amps the Overhead Live Electrical is 25000v AC
Invisible Rail was created in 1860.
Rodrigues Rail was created in 1873.
Prism Rail was created in 1995.
Avalon Rail was created in 2000.
Red Rail was created in 1848.
Okinawa Rail was created in 1981.
Zapata Rail was created in 1927.
Tri-Rail was created in 1987.
Cotswold Rail was created in 2000.