Ṣẹda ẹya ti o nira diẹ sii ti gbolohun yii Laini Fairmount n ṣe atunṣe nla ti o pẹlu ikole awọn ibudo tuntun mẹrin ni Boston; akọkọ ninu wọn, Talbot Ave, ti ṣii ni Kọkànlá Oṣù 2012.
Òtítọ́ ni pé, àdàkọ tí ó díjú jùlọ nínú gbólóhùn náà ni "The Fairmount Line is undergoing a major rehabilitation that includes the construction of four new stations in Boston, while work on a new western terminus of the Fitchburg Line at Wachusett Station has started".