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U.S. traffic congestion rose to 19% in 2025, with Los Angeles most affected, but NYC improved via congestion pricing.
The 2025 TomTom Traffic Index shows U.S. traffic congestion rose to 19%, up from 14% in 2024, placing the country 54th globally—among the least congested nations despite having some of the most gridlocked cities.
Los Angeles led with nearly 60% congestion, followed by Honolulu and San Francisco, while New York City saw minimal overall change but significant gains on major roads due to its congestion pricing program, which reduced delays by up to 22 points, improved bus efficiency, and cut crashes, injuries, and pedestrian fatalities.
Traffic patterns have shifted, with peak hours spreading out due to remote work and flexible schedules, altering urban mobility beyond pre-pandemic norms.
La congestión del tráfico en los Estados Unidos aumentó al 19% en 2025, con Los Ángeles más afectada, pero la ciudad de Nueva York mejoró a través de la fijación de precios de congestión.