As of 9 a.m., traffic was slow on the outer loop of I-695 past Route 295, due to an accident.
Accidents were slowing traffic on Route 29 southbound at US. 40 in Howard County, Route 32 eastbound at I-95 in Howard County, and Route 100 westbound near Route 170 in Anne Arundel County.
A fallen tree was blocking Route 482 near Brodbeck Road in Hampstead.
No major delays were reported on Baltimore area transit systems. The Maryland Transit Administration is advising patrons that there will be no MARC train service on Monday in recognition of the Martin Luther King Jr. holiday.