 In October 2007, the Senate passed S-294, "Passenger Rail Improvement and Investment Act of 2007" (70–22) sponsored by Senators Frank Lautenberg and Trent Lott.Despite a veto threat by President Bush, a similar bill passed the House on June 11, 2008, with a veto-proof margin (311–104).The final bill, spurred on by the September 12 Metrolink collision in California and retitled "Passenger Rail Investment and Improvement Act of 2008", was signed into law by President Bush on October 16, 2008.