Sivak said that the 14 percent drop in his index swamps the four percent increase in drivers over the period.
Rosberg is second behind world champion Button in drivers' standings after four races, while Schumacher trails well back in 10th.
Drivers in Wales will be more likely to suffer from potholes than drivers in England, says a motoring organisation.
In comparison with cities of a similar size in population, drivers in the city of San Jose waste a cumulative of 10 million more annual hours sitting in traffic jams and suffer a 15% higher commute delay per peak-time traveler.
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Waze thus saved drivers in Israel 5 minutes a day on average by using updates from other drivers mired in traffic to help others get off the highway and go a different route.
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Button, who leads Barrichello by 14 points in the drivers' championship, can still land the title in Sao Paulo.
In Cambridgeshire drivers who flout flood warning signs and get stuck in deep water have been told by police they could face prosecution.
Her plan can vary for drivers in an endurance race in which three different drivers divide their time behind the wheel of a single car.
Alonso, a two-time world champion with Renault, finished fifth in the drivers' standings, while the French team were fourth in the constructors' championship.
Previous accidents in which drivers hit crossover gates were severe, but the gates were in the wall and not the fence for Mike Harmon's accident at Bristol in 2002 and Michael Waltrip's at the same track in 1990.
More profoundly, Grands Prix have been transformed from a series of short sprints between pit stops into marathons in which drivers have to look after their tyres to ensure they remain in good shape until the end of the race.
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In taxi drivers, the back of the hippocampus was larger than it was in average men.
Lyft has signed up about 100 drivers in preparation for the launch in the same way it does with San Francisco drivers, including background checks and in-person interviews.
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Red Bull boss Christian Horner says his charge Sebastian Vettel has no intention of backing off despite his huge 112-point lead in the drivers' standings and he fully expects the German to push for victory in an attempt to win the title with five races still go.
State regulation is definitely good for teenagers in Boston and for tipsy drivers in the assigned-risk pool.
Police in Leicestershire have been stopping drivers in a bid to find witnesses who may have information about the murder of a mother-of-two.
As a cost-cutting measure, platooning would allow haulage firms to arrange trucks in tight convoys and eliminate drivers in all but the lead vehicle.
That could be something such as adding more drivers in Chicago, adding an hour in mandated break time for drivers or having a big customer change the location of its distribution center.
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Penske driver Sam Hornish finished second and retained the lead in the drivers' standings.
He also congratulated Red Bull and Vettel on their double victory in the drivers' and constructors' championship.
Button claimed four second places in San Marino, Germany, Monaco and China to finish third in the drivers' championship.
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Vettel is aiming to cement his second place in the drivers' championship by finishing ahead of Barrichello on Sunday.
In fighting its way back, Toyota has catered to a decided shift in the drivers of reputation that have the most influence.
Scottish police forces have recorded an increase in the number of drivers caught in the first week of this year's Speedwatch campaign.
Sutil finished ninth in the drivers' standings last season with 42 points.
He raised a large sum in sponsorship to secure the Jordan drive but finished 18th in the drivers' standings with five points.
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Button was ranked 18th in the drivers' standings, contributing only three points.
McLaren are nine points behind Ferrari in the constructors' standings and Raikkonen is three points adrift of Michael Schumacher in the drivers' race.
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