Laura Litvan

Democrats are also uniting behind a plan to muscle through a broader budget resolution to carry the party’s priorities.

The agreement marks a significant breakthrough in the drive to muscle through Congress a massive infusion of new spending for roads, bridges and other critical projects.

Accounting gimmicks may be needed to keep the federal government from defaulting.

The Senate Majority Leader will take a preliminary step Monday that would lead to a first test vote on the infrastructure plan by Wednesday. He set the same day as a deadline for all Senate Democrats to unite behind a budget blueprint.

The Senate GOP Leader wants to head off an effort to use a fast-track process to pass a Democrat-only bill with trillions in spending and tax hikes on the wealthy.

The cost of the expenditures would be offset by a variety of revenue-raising provisions, including stronger enforcement of tax collections from the wealthy.

The group proposed $40 billion in Internal Revenue Service funding to yield $103 billion.

Top White House aides wrapped up a meeting with a group of senators Tuesday without producing an infrastructure compromise, as differences on how to pay for a proposed $579 billion in new spending for roads, bridges and other projects continue to bedevil the talks.

The administration said no deadline has been set for talks, but House Democrats said they are ready to move ahead without Republicans.

Lawmakers are trying to hash out a compromise $1.2 trillion, eight-year infrastructure spending package.