According to the research I made recently, I discovered that the Japanese rail way system is the best in the whole world because, they make use of a system called: “pointing and calling” and this system is designed to reduce mistakes.

This pointing and calling is a peculiar habit imbibed with all the conductors involved in navigating the trains. The operators proceed through a common ritual of pointing out at different objects and calling out commands.
Look at what they do; when the train approaches a signal, the operator will point at it and say, “Signal is green.” This is what they do at the speedometer and call out the exact speed, also when the train leaves; the operators will point at the timetable and state the time.

So, before the train departs, the-- http://www.anyi-nature.com/currentarticles.php?id=11