Delays are expected all morning on Route 128 in the Waltham stretch due to an early morning accident in which a tractor trailer went over a guardrail and crashed into the woods.
No injuries were reported, State Police tweeted:
WCVB-TV tweeted an aerial photo from the scene:
The ramp from Route 20 onto Route 128 is currently closed, State Police tweeted:
We have more traffic details here