The Long Island Railroad (LIRR) has updated its TrainTime app with real-time visualizations of how crowded each car is on each train, as well as real-time train locations updated every three seconds. Commuters in New York City can use the app to position themselves on the platform so they'll board a less-crowded car when their train arrives, helping riders practice social distancing during the COVID-19 pandemic. The new technology is the first of its kind to be deployed in North America. LIRR is using different technology to measure passenger loading depending on train car model. Older trains effectively weigh the car using sensors in the train car suspension. Newer trains use door sensors to count passengers entering and leaving at each stop. The data is reported to a central server, which powers the app. The app displays the data visually as a train, with crowded cars in red, and emptier cars in green. The updated app is available now for both iOS and Android.
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