The information is stunning: Net traffic is doubling every hundred days.

For the last two years, traffic on the leading Web sites has doubled about every six months.

In the last 20 years, traffic on state roads has doubled while capacity has increased 11 percent.

Since airline deregulation in 1978, traffic has almost doubled, putting strains on the system.

Beijing: not a pedestrian friendly city - the traffic has almost doubled over the last five years.

Cracked.com's traffic has doubled each year, making it one of Demand Media's most successful properties.

And Mr. Wales said that traffic doubles every four months.

But something happened in one day where suddenly and consistently now the traffic doubled.

They fear the traffic and the crowds of mall visitors, which city officials expect will double the city's population to 170,000 on weekends.

By the year 1960, the traffic had almost doubled.