The rate in the West climbed a tenth of a point, to 8.7 percent.
That rate climbs to above 80 percent during peak hours.
But since the first quarter of 2000 the rate has climbed from 8.4 percent.
The average rate climbed to 6.06 percent, from 5.85 percent a month ago.
It is the first time that rate has climbed above 7 percent since August.
Since then, the rate has climbed 13 times, to about 7.5 percent in August.
This time the rate has climbed only 1.30 percentage points since touching its low last June.
The rate of economic growth climbed from 3.7 percent in 1991 to 5 percent last year.
During the same period, the average daily rate has climbed rapidly.
During the last year, basic rates climbed at least 3 percent in a series of rate increases.