One year after New York City rolled out congestion pricing in Manhattan, the early results are clear: fewer cars and cleaner air.

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Data released by the city and several independent studies show a sharp drop in vehicle traffic entering Manhattan’s congestion zone. Over the first year, roughly 23 million fewer vehicles drove into the area compared with the year before the program launched. Traffic delays inside the zone are down by about 25%, and travel speeds have improved on many major streets and crossings.

Before congestion pricing, there was no fee to drive into Manhattan’s core. Now, most drivers pay a daily charge, and trucks pay more based on vehicle size and timing. That change has turned trips into Manhattan into a direct cost that delivery fleets now have to plan for and budget.

The change shows up in the air quality, too. A Cornell University study found that air pollution in the congestion zone dropped about 22% in the first six months after pricing began, and the benefits spread beyond just Manhattan’s core to the rest of the city and nearby suburbs.

Congestion pricing, which charges most drivers a daily fee to enter Manhattan’s busiest areas, was designed to reduce gridlock while generating funding for public transit upgrades. Based on the first year of data, the traffic-reduction goal appears to be working.

Transit officials say lighter vehicle traffic has made it easier for buses to stay on schedule and has reduced backups at key intersections. Emergency vehicles are also seeing fewer delays moving through the city’s core.

While the program remains controversial among some drivers and businesses, the overall traffic numbers have stayed consistently lower, even during traditionally busy periods. Analysts note that the sustained drop suggests behavior changes are sticking, not just a short-term adjustment.

Despite its early success, congestion pricing isn’t completely locked in. The program is still facing legal challenges, and a federal court has delayed a final ruling until 2026. That means the pricing structure stays in place for now, but questions remain about how it could change down the road.

From a supply chain and logistics perspective, fewer cars on the road has created a more predictable traffic environment inside Manhattan. Delivery vehicles moving through the congestion zone are spending less time stuck in traffic, which can help with routing, scheduling, and on-time performance.