1.   Air traffic had returned to normal.

2.   And street traffic returned to normal Thursday in the diplomatic quarter, which was besieged by raucous rock-throwing demonstrators after the bombing.

3.   At Vanguard Group, a spokesman, John Woerth, said telephone traffic had returned to normal.

4.   Air France said it expected traffic to return to normal Thursday.

5.   But Weber expressed confidence that passenger traffic would return and said that Lufthansa needs to plan for the future.

6.   But, he said, traffic would return to American, as it did to Northwest after the strike there last year.

7.   It all depends on how quickly airline passenger traffic returns to near normal levels, they say.

8.   Many airline executives and analysts acknowledge that they are guessing about the future because no one can be sure when airline traffic will return and at what level.

9.   The aviation agency said that despite the slowdown, it believed that traffic would return and that it should press ahead with improvements in air traffic control.

10.   The carrier suffered steep losses through the end of the year but has recently seen its traffic return to normal levels.