(a) General. - (1) Not more than the following amounts may be appropriated to the Secretary of Transportation to carry out this chapter: (A) $68,283,000 for the fiscal year ending September 30, 1993. (B) $71,690,000 for the fiscal year ending September 30, 1994. (C) $68,289,000 for fiscal year 1995. (D) $75,112,000 for fiscal year 1996. (E) $82,563,000 for fiscal year 1997. (F) $90,739,000 for fiscal year 1998. (2) Not more than $5,000,000 may be appropriated to the Secretary for the fiscal year ending September 30, 1993, to carry out section 20105 of this title. (b) Grade Crossing Safety. - Not more than $1,000,000 may be appropriated to the Secretary for improvements in grade crossing safety, except demonstration projects under section 20134(c) of this title.

Amounts appropriated under this subsection remain available until expended. (c) Research and Development, Automated Track Inspection, and State Participation Grants. - Amounts appropriated under this section for research and development, automated track inspection, and grants under section 20105(e) of this title remain available until expended. (d) Minimum Available for Certain Purposes. - At least 50 percent of the amounts appropriated to the Secretary for a fiscal year to carry out railroad research and development programs under this chapter or another law shall be available for safety research, improved track inspection and information acquisition technology, improved railroad freight transportation, and improved railroad passenger systems. (e) Operation Lifesaver. - In addition to amounts otherwise authorized by law, there are authorized to be appropriated for railroad research and development $300,000 for fiscal year 1995, $500,000 for fiscal year 1996, and $750,000 for fiscal year 1997, to support Operation Lifesaver, Inc.