the provisions for protection of employees of bankrupt railroads contained in the Regional Rail Reorganization Act of 1973 [
45 U.S.C. 701 et seq.] have resulted in the payment of benefits far in excess of levels anticipated at the time of enactment, have imposed an excessive fiscal burden on the Federal taxpayer, and are now an obstacle to the establishment of improved rail service and continued rail employment in the Northeast region of the United States; and