Moovit has already made efforts to provide commuters with more accurate information about public transport by harnessing the crowds. Now the Dutch national train operator NS has launched a pilot scheme for its Reisplanner Xtra app, which will give passengers real-time details about the train they're aiming to catch. Currently being tested on the Android version of its existing app, a new feature will provide information on passenger congestion on its services. Travelers using the journey planner will now see one, two or three figure-shaped symbols that indicate the average amount of seating available on individual trains. Passengers can then…