Emergency crews are responding to a Friday morning crash along Route 40.
At about 9:30 a.m., a crash was reported near 10300 block of Pulaski Highway, just below the Route 43 interchange.
The White Marsh Volunteer Fire Company reports that the accident involves an overturned tractor-trailer.
Three of its units have responded to the scene for accident clean-up.
There is no word on any injuries.
Motorists should use caution in the area.