Limiting traffic in New York City’s downtown area cut air pollution by 22% in the program’s first six months.
A study published in the journal npj Clean Air looked at the air quality impacts — in this case, particulate matter measuring 2.5 micrometers and smaller — of the Congestion Relief Zone.
The policy requires drivers to pay a toll to access local streets and avenues at or below 60th Street in Manhattan during peak hours…