The Surface and Air Transportation Program Extension Act of 2011 became a United States law when President Barack Obama signed the Act on September 16, 2011 (Public Law No. 112-30. The law extends taxes which fund federal highway expenditures through March and the Federal Aviation Administration through January. The Surface and Air Transportation Programs Extension Act of 2011 is a direct result of an agreement which was reached by the House and Senate majority leaders. This extension act was a top priority to Congress because federal highway and FAA funding was about to expire.