3 ms·
Sure. G. It is always fun to watch the train on Lorimer heading towards queens to be 13 minutes away just to see it arrive. The point is it does not matter if
by notyourday 7y ago
Sure. G. It is always fun to watch the train on Lorimer heading towards queens to be 13 minutes away just to see it arrive.
The point is it does not matter if the L is going through the historic reconstruction project -- countdown clock should depend on two pieces of real time data and one piece of historic ( same trip data ) from previous sections:
1. Position of the train which is always known on the L because it is an ATC line.
2. Speed of the train. Also known because it is an ATC line.
The distance between stations is fixed. The data about speed and the distance train covered at t-1 and t-2 is known.
So it is algebra + basic message passing architecture + LCD displays connected to the local systems.
2. Speed of the train