Severe delays on Red Line, Green Line going slow

Delays are slowing down commuters all over the tracks Tuesday afternoon.

The Red Line is experiencing the most severe delays, with Boston Fire Department activity keeping movement to a crawl along the entire line, according to MBTA real-time service alerts. No word as of 5 p.m.on what that activity is.

A disabled train is causing moderatedelaysalong the B branch of the Green Line.

So far, Orange Line, Mattapan Trolley and Silver Line riders are still in for a clearride home.

No such luck for bus riders. As of 5 p.m., 49 bus lines are experiencing slowdowns thanks to rush-hour traffic.

On the commuter line, Kingston Train 048, which departed at 4:02 p.m. is running an hour behind schedule due to an earlier disabled train. The Fitchburg line is running about a half hour behind, while a Franklin train, Haverhill train, a Lowell train and a Middleborough train are all running 10 to 20 minutes behind schedule.

No serious accidents, but typical traffic is slowing down commuters along Route 93 and 90, according to MassDOT real-time traffic data.