| | Referred to TRANSPORTATION, Feb. 1, 1989 |
| | Reported as amended, April 3, 1989 |
| | First consideration, April 3, 1989 |
| | Laid on the table, April 3, 1989 |
| | Removed from table, April 4, 1989 |
| | Second consideration, April 5, 1989 |
| | Third consideration, April 11, 1989 |
| | Re-committed to TRANSPORTATION, April 11, 1989 |