But provided it manages all the newfound traffic smoothly, investors may see gains from a railroad company the likes of which haven't been seen in decades.

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Ms. Hodge's seemingly impossible task is to keep traffic flowing smoothly.

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If traffic congestion can be compared to water flowing through a sink drain, then a congestion toll is like the handle on the spigot -- it increases during times of peak road use, decreases during off-peak times, and is adjusted in real time to keep traffic flowing smoothly.

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It was an election pledge of Mayor Boris Johnson to make traffic flow more smoothly.

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By communicating with other cars, as well as with road signs and traffic lights, vehicles will not only be able to avoid most accidents, but will also move more smoothly through traffic, reducing congestion.

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Smarter traffic systems can help traffic and public transit systems flow more smoothly, anticipate congestion and improve it in advance, reduce emissions and increase the capacity of infrastructure.

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Meanwhile, traffic on the bridge has moved more smoothly since E-ZPass-equipped drivers have been able to pass through the tolls without stopping, Mr. Redding said during a meeting of the MTA's Bridges and Tunnels Committee.

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In an hour or so Spetter can get a 1, 000hp engine to set speed records and smoothly cruise through suburbia without overheating in traffic.

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Commercial airline flights moved smoothly throughout most of the country on Sunday, the first day air traffic controllers were subject to furloughs resulting from government spending cuts, though some delays appeared in the late evening in and around New York.

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