I guess you could see it that way, but everyone knows that the trains run regularly every 2-3 minutes so it's more you know how long of a wait you're going to h

I guess you could see it that way, but everyone knows that the trains run regularly every 2-3 minutes so it's more you know how long of a wait you're going to have. For the most part all it does is let you know how long you're going to be waiting on the platform and how on time the trains are that day.