| Answer | Crossword Clue |
|---|---|
| SCHOOLBUS | Cause of some halted traffic |
| LANECLOSURE | Cause of a traffic delay |
| ROADREPAIR | Cause of a traffic delay |
| STALLEDCAR | Cause of a traffic delay |
| MERGE | Cause of a traffic tie-up |
| AUTOS | Number one cause of traffic jams |
| AUTOS | Number-one cause of traffic jams |
