Boxer urged her colleagues to join in the effort, and expressed frustration that the Senate had burned five-weeks of full-time work on the two-year highway bill and that then House leaders declined to bring it the floor in their chamber for lack of Republican support.

Although Boxer's effort is likely to provoke a fight on the Senate floor it is unlikely to succeed as Senate Majority Leader Harry ReidHarry Mason ReidTo end sugar subsidies, conservatives can't launch a frontal attack House presses Senate GOP on filibuster reform A pro-science approach to Yucca Mountain appropriations MORE (D-Nev.) has already suggested he intends to accept the House extension which would prevent highway funding from running out at midnight on Friday.