The impeachment fight raging between House Democrats and the White House may stall progress on one of the more promising bipartisan issues in Washington: infrastructure.

Republicans and Democrats have signaled a willingness to work together in recent history. The Senate Environment and Public Works Committee unanimously approved a $287 billion highway funding bill in July. In April, President Trump met with House Speaker Nancy Pelosi and Senate Minority Leader Chuck Schumer, agreeing to a $2 trillion infrastructure spending plan. Left out of the discussion was how Congress would pay for it.