New York City's congestion pricing went into effect in the center of Manhattan on Sunday, one day after a federal judge rejected a request from New Jersey officials to halt the program. Why it matters: The Metropolitan Transportation Authority says the first road toll policy of its kind in the U.

With over 700,000 vehicles entering the congestion charge area in Manhattan daily per MTA figures, it equates to at least $4 million per day in toll revenue for the agency.