A woman and her teen son died when the vehicle they were in rear-ended a tractor-trailer on the Outer Loop of the Beltway.
A northbound Kia Rio driven by 39-year-old Toykia Kenya Keys of Fort Washington, Md., struck the tractor-trailer at St. Barnabas Road in Oxon Hill, Md., before 1 a.m. Monday.
Keys and 14-year-old Kamany Love were pronounced dead at the scene, Maryland State Police said. Their families have been notified.
The driver of the tractor-trailer was not injured.
Speed and aggressive driving by Keys may have been factors in the crash, authorities said.