Interim MBTA General Manager Jeff Gonneville says the T is continuing to work through a morass of track defects across all four subway lines and that he hopes to lift the "global" speed restrictions on the Green Line with the start of service on Saturday. Read more.

The T sounded the alarm tonight: Nearly a third of the tracks on the Red, Orange and Blue Lines remain subject to snailish speed restrictions, which are in place along all the tracks on the Green and Mattapan lines. Read more.

The MBTA began slowing down all its subway trains around 5:30 p.m. yesterday after state inspectors filed reports that they found track problems on one Red Line stretch this week and the T couldn't assure them that repairs had actually been made because of problems with paperwork and decided it needed to check all its tracks. Read more.

Update: GBH reports a transformer in South Boston failed, triggering a power surge that tripped a circuit breaker.

In the middle of rush hour, the MBTA lost power to the signaling systems on all its subway lines - and at some stations - leaving some riders stranded and others breaking out their phones to call a ride-share to work. Read more.

WFXT reports the MBTA is now close to having the minimum number of dispatchers it needs to restore more frequent service on the Orange, Red and Blue Lines, but that now it also doesn't have enough cars and drivers for them.

Update, Wednesday morning: MassDOT reports the car is still there and so the Orange Line is causing delays on 495.

NBC Boston reports a trailer on which a new Orange Line car sat disconnected from its tractor tonight on I-495 in Chelmsford.

We're not even going to ask why it was in Chelmsford.

The MBTA yesterday announced its latest round of weekend shutdowns aimed at upgrading various things it didn't upgrade during last year's month-long Orange Line shutdown and to account for the continuing demolition of the Government Center Garage, which will also affect the Green Line. Read more.

CommonWealth reports Gov. Healey said she would rather work with CRRC than fight it, but that something has to be done about the fact that the company's Springfield plant hasn't shipped a new Red or Orange Line car here in more than seven months.

The Globe reports the T hasn't gotten a single new subway car in seven months now. CommonWealth reports on some of the numbers - and says the Chinese company the T hired wants it to pay for the added costs of Trump-era tariffs on Chinese goods, which the T could balance by implementing the $500-a-day penalties the contract allows for late deliveries.