text:  A new study from transportation experts shows where traffic congestion is the worst in the world. Traffic analysts at INRIX collect information about congestion, traffic incidents, and the like from billions of data points. And what they found is that drivers in New York City waste 101 hours a year stuck in traffic jams. That's the worst ranking in the world. At number two is London, where drivers have to deal with 99 hours a year in traffic.