Fig. 5: Air-quality benefits increase in the congestion relief zone over time. | npj Clean Air

Fig. 5: Air-quality benefits increase in the congestion relief zone over time.

From: A first look into congestion pricing in the United States: PM2.5 impacts after six months of New York City cordon pricing

Fig. 5

A Bands show weekly average treatment effects within the CRZ (Model 9), NYC 5 Boroughs (Model 6), and NYC Metropolitan Area CBSA (Model 3), with 95% confidence intervals. B Lines depict weekly vehicle activity inside the CRZ, highlighting the drop in Multi-Unit Truck entries. C Trend lines relate changes in air pollution to hourly vehicle entry rates per week, by vehicle class and time period (Peak = 5 AM–10 PM; Overnight = 11 PM–4 AM).

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