| | Referred to TRANSPORTATION, Oct. 3, 1989 |
| | Reported as amended, March 27, 1990 |
| | First consideration, March 27, 1990 |
| | Laid on the table, March 27, 1990 |
| | Removed from table, March 28, 1990 |
| | Second consideration, April 2, 1990 |
| | Re-committed to TRANSPORTATION, June 5, 1990 |