UPDATE:
The president has signed a three-month extension of the transportation bill. The Republican-led House refused to hold a vote on the Senate version (detailed below). Funding for the Downeaster, Amtrak and other transportation projects remains intact until June 30th. More information at Politico.com.
EARLIER:
The US Senate, by a bi-partisan vote of 74-22 in mid-March, passed a two-year $109 billion surface transportation authorization bill which maintains the ability of Maine to continue to use CMAQ funds (around $6 million) to support a large portion of the Downeaster's operating budget.
Senator Olympia Snowe succeeded in adding an amendment to the bill which authorized the continued use of those funds for state-operated railroads. She was justifiably proud of her accomplishment: