1.   An impenetrable fog halted traffic.

2.   Barge traffic was halted because of flooding.

3.   The miners were joined by striking railway workers, who halted freight traffic.

4.   Ferry traffic was halted for a week in December because of fears that refugees might hijack the vessel to the United States.

5.   Barker said that some documents relating to the deal remain classified and warned that continued publicity about the matter could endanger efforts to halt international traffic in dangerous arms.

6.   All commercial air traffic was halted at least until noon Wednesday.

7.   Both lines of cars stopped momentarily, briefly halting traffic, with neither groups wanting to be the one to go first.

8.   But she says Peru will never be able to halt traffic in illicit antiquities by itself.

9.   But the police treated the explosion as a terrorist act and flooded the area with reinforcements, halting motor traffic above ground and checking other underpasses for more bombs.