Modular-building involved in a crash on I-495 NB after Broad Street in Merrimac. Left lanes blocked. #BostonTraffic #MerrimackValleyTraffic #MATraffic

Vehicle into a pond on the ramp from Rte 128 (I-95) NB to Winter Street in Waltham. #BostonTraffic #MetroWestTraffic #MATraffic

View of this morning's tractor-trailer crash on I-495 NB after the Mass Pike in Westboro. #BostonTraffic #MetroWestTraffic #MATraffic

Scene of a tandem tractor-trailer crash this morning on I-495 SB before Rte 20 in Marlboro. All lanes have reopened. #BostonTraffic #WorcesterTraffic #MetroWestTraffic #MATraffic

This crash on Rte 128 SB (I-95) SB after Washington Street in Woburn is why the morning commute on both Rte 128/I-95 and I-93 in Wilmington and Stoneham has been so bad this morning. #BostonTraffic #MATraffic

This multi-vehicle crash on Rte 128 NB at Lowell Street in Peabody just cleared a short time ago. #BostonTraffic #NorthShoreTraffic #MATraffic

The joys of morning on the Southeast Expressway (I-93) in East Milton... #BostonTraffic

Crash on Rte 128 (I-95) NB at Rte 2 in Lexington. Right lane blocked. #BostonTraffic #MATraffic

Crash on Rte 128 SB at I-95 in Peabody. Stay left. #BostonTraffic #NorthShoreTraffic #MATraffic

Rollover on Rte 128 (I-95 SB) at I-93 in Canton. Westwood Fire on-scene. Right lanes blocked. #BostonTraffic #MATraffic

Boston's North End just before sunrise this morning. #BostonSunrise #BostonWeather #Helicopters #AerialPhotography

Let's go flying! #BostonTraffic #BostonNews #Helicopters

Crash on the Mass Pike WB before Newton Corner. Left lanes blocked. #BostonTraffic #MetroWestTraffic #MATraffic

Three crashes on the Mass Pike: The first two are Westbound before and after Newton Corner. The third crash is Eastbound after Fenway Park. #BostonTraffic #MetroWestTraffic #MATraffic

Crash on I-93 SB before Rte 128 in Woburn. Left lane blocked. #BostonTraffic

Rollover on I-95 NB before the weigh station in Rowley. Right lane blocked. #BostonTraffic #NorthShoreTraffic

Crash on Rte 128 (I-95) NB at Rte 1 in Peabody. Stay left. #BostonTraffic

Serious crash on Rte 9 EB before the Mass Pike. Road closed at Oak Hill Road in Southboro. #BostonTraffic #MetroWestTraffic

Carson Beach in South Boston before sunrise his morning. #BostonSunrise #BostonWeather 🚁🌞

Crash on Rte 3 NB before Treble Cove Road in Billerica. Right lanes blocked. #BostonTraffic #MerrimackValleyTraffic

From just before sunrise this morning over Beacon Hill. #BostonSunrise #BostonWeather

Here's a little holiday treat: NO backups on the Southeast Expressway! #BostonTraffic #MATraffic

The daylight fades away from over Rte 128 in Peabody. #BostonWeather #NorthShoreWeather #AerialPhoto

Crash on I-495 SB at River St in Haverhill. Right lane blocked. #BostonTraffic #MerrimackValleyTraffic #MATraffic

Emergency bridge-deck repairs on I-495 NB after Woburn St in Lowell. Right lane blocked. #BostonTraffic #MerrimackValleyTraffic #MATraffic

Looking to the East this morning from over Kenmore Square... #BostonWeather #BostonSunrise #BostonSkyline

Pickup partially over the railing on the upper deck of I-93 NB at Bunker Hill Community College in Charlestown. The MBTA's Orange Line stop for the college is directly underneath the highway. Subway service was unaffected. #BostonTraffic #BostonNews #MATraffic

Overturned 18-wheeler on Rte 2 EB before Merriam Ave in Fitchburg. Only the breakdown lane gets by. #WorcesterTraffic #BostonTraffic #MATraffic

Crash on I-495 SB before the Double Decker Bridge in Lawrence. Stay left. #MerrimackValleyTraffic #BostonTraffic

Crash on I-93 NB after Montvale Ave in Stoneham. Left lane blocked.