In New York City, congestion pricing leads to marked drop in pollution

> Particulates issued from tailpipes can aggravate asthma and heart disease and increase the risk of lung cancer and heart attack. Globally, they are a leading risk factor for premature death.

Minor nitpick, but tailpipes aren't the primary source of emissions. The study is about PM2.5[0]. which will chiefly be tires and brake pads. Modern gasoline engines are relatively clean, outside of CO2, though diesel engines spit out a bunch of bad stuff.

[0] https://www.nature.com/articles/s44407-025-00037-2

It always surprises me when people want stop signs in their neighborhood for traffic calming. The last thing I want is all of the noise and pollution of vehicles stopping and starting over and over again; surely various piece of road furniture like bulb-outs, roundabouts, etc, do a better job with fewer drawbacks. Other than cost, of course.