Traffic has been growing at an average of 14% per year.
Add to this the fact that the county's population, and traffic, is growing.
Traffic within the Pacific region is growing nearly 40 percent a year.
Traffic grew from 1866 to the 1930s and then went into decline.
And the traffic grew from the City into the countryside too.
Traffic to the stocks area, however, has grown just 19 percent.
Traffic at all three sites has grown more than 50 percent compared with a year ago.
Traffic across the bridge grew at an average annual rate of 4.4% during the 1980s.
Traffic in January, however, grew by 4 percent from a year earlier, more than most analysts had expected.
As traffic grew, additions were made in 1907 and 1912.