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Traffic moves along 42nd Street in Midtown Manhattan on Jan. 25, 2018. After decades of efforts by transportation advocates, the state of New York has approved a plan to add congestion pricing to the city, charging drivers who enter a designated zone of Manhattan. Drew Angerer/Getty Images hide caption

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Drew Angerer/Getty Images

City Dwellers Don't Like The Idea Of Congestion Pricing — But They Get Over It

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The average American commute increased to 26.9 minutes in 2017 from 26.6 minutes the year before, according to new data from the U.S. Census Bureau's American Community Survey. Drew Angerer/Getty Images hide caption

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Drew Angerer/Getty Images

A road sign on Hamburg's Max-Brauer-Allee warns motorists that older diesel vehicles are banned from using this stretch of road. Hamburg is the first German city to ban older diesel vehicles. Daniel Bockwoldt/AFP/Getty Images hide caption

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Daniel Bockwoldt/AFP/Getty Images

Could A Diesel Ban In Hamburg, Germany, Cause More Pollution? Some Residents Worry

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AAA says this will be the busiest Fourth of July travel period ever, with most people taking to the road to get to their destinations. Ditto/Getty Images/Image Source hide caption

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Ditto/Getty Images/Image Source

Waze is a traffic app that relies on users' feedback about road conditions to find the quickest possible route. Ruby Wallau/NPR hide caption

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Ruby Wallau/NPR

The Road Less Traveled? Not Since Waze Came To Los Angeles

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As varied as the options are for apps that are available to help you navigate your daily commute, the future of GPS may be more accurate. Lizzie Roberts/Ikon Images/Corbis hide caption

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Lizzie Roberts/Ikon Images/Corbis

The Tech Behind Traffic Apps: How (Well) Do They Work?

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Unless there's a serious pileup, ants in traffic tend to bypass a collision and just keep going. A physicist has found a way to model this behavior with a mathematical equation. iStockphoto hide caption

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iStockphoto

Why Ants Handle Traffic Better Than You Do

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MMDA (Metro Manila Development Authority) traffic enforcers patrol a street on their Segway vehicles in a 2011 photo. During a visit by Pope Francis next week, they are being asked to wear adult diapers so they won't have to leave their posts. Bullit Marquez/AP hide caption

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Bullit Marquez/AP

Traffic engineers face "a new conundrum" in dealing with red-light cameras such as this one in New Mexico, according to a recent study looking at how cameras are operated and the perception that they are used to generate revenue. Susan Montoya Bryan/AP hide caption

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Susan Montoya Bryan/AP