Seven people were killed in crashes, compared with nine in 2015 and eight in 2014.
Patience and planning are the keys, according to Maryland's highway administrator.
Traffic data show that I-95 to Fredericksburg is a Thanksgiving eve hot spot till about 8:30 p.m.
This two-day storm brings varied conditions that preview a typical winter for D.C. area.
Don't let worries about the weather distract you from other aspects of safe driving.