As of 8:30 a.m. Thursday, an accident at North Avenue on the southbound Jones Falls Expressway is backing up traffic to I-695.
In Howard County, an accident on eastbound I-70 is blocking the left two lanes approaching Route 40 and causing backups.
On the southbound Harrisburg Expressway, an accident on the right shoulder at Padonia Road is also slowing traffic.
Accidents were reported in Baltimore City at North Charles Street and West University Parkway and on Baltimore Street at South Ellwood Avenue. Traffic lights were disabled at McClean Boulevard and East Northern Parkway because a vehicle struck a light pole.
An earlier accident slowing the outer loop of I-695 and I-795 southbound has been cleared, but traffic remains slow there.
An accident was also reported in Rosedale at Philadelphia Road and Hospital Drive.