1.   Army tankers trucked water into the city later, and officials said more would be brought Monday.

2.   But road transporters and army water tankers became snarled in giant traffic jams on the few small roads open.

3.   Trucks and army water tankers became snarled in giant traffic jams on the few narrow roads that were open.

4.   Trucks and army water tankers became snarled in giant traffic jams on the few small roads open.