Sitting at Gard du Nord train station in Paris in January this year i saw this huge departure board:
It was fascinating to see and hear all these flipping characters everytime a departure time changed. I guess most of you know already how these boards work but for all others i will explain it shortly.
The arriving trains are in chronological order from top to bottom of the board which means the trains that arrives as next stays on top of the board.
The flipping characters are made of little metal plates that are printed on the front and backside with characters that are split into half. The Top part of the character is printed on the frontside of the upper plate and the bottom part of the character is printed on the backside of the lower plate (i tried to visualize it with a little image). weiterlesen