The MBTA reports the Federal Transit Administration will pay $66 million towards bringing Symphony on the Green Line into the 21st century. Read more.

Emily Wean reports she managed to get on the first ever Green Line train out of Medford/Tufts at Ball Square shortly after 4:45 a.m., even though the train was crowded. Read more.

Fig City News reports Mark Development is asking for an extra two years to make a required $25 million payment to the MBTA and show proof it has enough financial backing to begin work on its proposed residential/life sciences complex at the Riverside Green Line station. Blames rising interest rates and construction costs.

MBTA General Manager Steve Poftak announced this morning that the Medford branch of the Green Line Extension, the long one, the one with more than one stop, will start taking passengers on Dec. 12. In recent days, the T has been running test trolleys up and down the line.

At 1:51 p.m. Jill Rodgers sent a Green Line cri de couer from a trolley sitting motionless on the viaduct between Lechmere and Union Square, you know, the part of the Green Line that was shut down for a month to make it work all nice and smooth and stuff. Read more.

The MBTA had to rustle up some buses for people trying to travel between St. Mary's Street and Cleveland Circle when a C Line trolley kicked the bucket at Coolidge Corner. They managed to move Old Paint (actually, one of the new Paints) off the tracks and service has resumed, but with the usual 15-minute residual delays.

The Globe reports a two-car Green Line train with just two passengers onboard derailed near Park Street shortly before midnight, Monday. No injuries, the train was put back on the tracks and the tracks repaired before the start of service Tuesday, the Globe reports.

Transit Police report arresting a man for spraying painting graffiti that included the word "GANG" on the walls of the Copley Green Line station around 8:10 p.m. on Thursday. Read more.

Update, 9:32 p.m. MBTA says service has resumed, but with delays.

Shortly before 3 p.m. sparks exploded atop a B Line trolley at Park Street. Don't worry, though: No fire - and definitely no shots fired - although the station filled with some light smoke. Read more.