Edited sentence: Also plagued by funding disputes, the Parkway’s design has been scaled back from its original four-lane design, to a narrower two-lane concept.An extension from the Massachusetts Bay Transportation Authority commuter rail Lowell Line to Nashua is being proposed.Currently slated to break ground in 2007 with possible operation in 2009, there is broad-based skepticism among Nashua residents that project funding may not be approved.Further, plans calling for mixed-use residential and commercial development in the area surrounding the station have been met with outcries to shy away from expanding along the already congested Daniel Webster Highway.However, Greyhound still runs a limited number of buses between the two cities through Vermont Transit.If finished, the Nashua-Hudson Circumferential Highway would be part of the Everett Turnpike, and would rejoin the mainline highway at a hypothetical Exit 9 in northern Nashua.Maps of the Nashua area often show a stretch of freeway forming a circumferential highway through Nashua and the neighboring town of Hudson.Meanwhile, in March 2005, Nashua lost its only scheduled commuter bus service to Boston.Nashua Municipal Airport (Boire Field), a general aviation facility, is located in the city's northwest corner.Only a small section of the south end of this highway (Exit 2 off U.Parkway proponents claim the design will open up vast areas of land in Nashua’s downtown to development.Public transportation is provided by the Nashua Transit System.Route 3 and the Everett Turnpike run through the city.Route 3) has been built, and it is unclear whether the highway will ever be completed.See the 2000 Nashua Master Plan for more detail.The Broad Street Parkway, an urban throughway linking West Nashua with its urban core via the Millyard, is expected to expedite east-west traffic through the City.The City touts the recent approval of a commuter rail linking Nashua to Lowell with service continuing on to Boston as a smart-growth opportunity for Nashua.The rail line suffered a significant blow in 2004 when the New Hampshire Supreme Court ruled that monies raised through the state’s excise on gasoline could not be used to fund a commuter rail.Two transportation projects have been the subject of recent debate within the City