Sen. Barbara BoxerBarbara BoxerFour more lawmakers say they’ve been sexually harassed by colleagues in Congress California Hispanics are the vanguard for a new political paradigm Trump riles Dems with pick for powerful EPA job MORE (D-Calif.), who is managing the highway bill, hailed progress made on Tuesday and said she feels confident that after more than a month, the Senate will finally pass the highway legislation on Wednesday.

"We have made incredible progress on this bill," she said. "I look forward to tomorrow when we will complete work on this bill. I think we are showing a bipartisan spirit and bipartisan cooperation. It feels good that we are going to pass our bill."

This article was updated to reflect Sen. Collins' recent engagement.