The Metropolitan Transportation Authority voted on Monday to implement a $9 congestion mitigation charge for driving in Manhattan starting on Jan. 5, a move aimed at raising billions for mass transit and cutting traffic.

New York City's congestion pricing program, the first of its kind in the United States, was initially to have charged a toll of $15 during daytime hours for passenger vehicles driving in Manhattan south of 60th Street starting June 30.

With NYC's congestion pricing start date tentatively set for January 2025, here are the next steps it has to pass first.