Dive summary:

• Funding for transit and highways under the MAP-21 law passed and enacted with such fanfare last year is not necessarily lost in the meat grinder of the sequester in Washington, but Senate advocates will have to shepherd it through negotiations with the House of Representatives on a continuing resolution (CR) that would substitute for a U.S. budget for the rest of fiscal 2013..
• The Senate would rearrange the sequester's across-the-board spending cuts, preserving MAP-21 in the process as specified in a resolution voted out of committee Monday and that may pass the full chamber by week's end.
• The Senate plan totals the same as one the House passed earlier – $984 billion – by Congressional Budget Office math, but the two plans do not allocate the same amounts for the same things, and MAP-21 did not find the same kind of backing in the House that it did in the Senate.

From the article:

If enacted, the new CR would succeed a current stopgap spending bill that is set to expire on March 27. Failure to pass a new bill would cause agencies to suspend operations. ...