McCain and other Senate Republicans, in particular Tom CoburnThomas (Tom) Allen CoburnPension insolvency crisis only grows as Congress sits on its hands Paul Ryan should realize that federal earmarks are the currency of cronyism Republicans in Congress shouldn't try to bring back earmarks MORE (R-Okla.), have argued for years that federal highway funds are being wasted on beautification projects.

Reid on Tuesday night said McCain and Sen. Barbara BoxerBarbara Levy BoxerThe ‘bang for the buck’ theory fueling Trump’s infrastructure plan Kamala Harris endorses Gavin Newsom for California governor Dems face hard choice for State of the Union response MORE (D-Calif.) would split time Wednesday morning in debating the measure, and then a vote would be held at around noon.

The Senate adjourned shortly after 7:30 p.m. Tuesday, and will return at 9:30 a.m. Wednesday. McCains amendment is the first to be considered to H.R. 2112, which will serve as the vehicle for the Agriculture, Rural Development, Food and Drug Administration and Related Agencies spending bill.