At least 14 young people in the Washington area have been killed in recent weeks in car crashes that authorities said involved unsafe driving.

Friday, Sept. 24: Alicia Betancourt, 16, was killed when the car in which she was a passenger went off the road in Montgomery County.

Saturday, Sept. 25: Robert Middaugh and Michelle Timchalk, both 17, were killed when Middaugh lost control of the car he was driving in Montgomery.

Sunday, Sept. 26: Edward Monterroza, 19, and Elmer Martinez, 18, were killed when the car Monterroza was driving when off the road in Montgomery.

Saturday, Oct. 2: Carlos Brenes and Nelly A. Mursal, both 21, were killed when the car Brenes was driving struck a large sign pole in Montgomery. In a separate crash, Nicholas P. Thayer, 17, died when the car he was driving struck another car in Howard County. Also killed in the accident was Natalie Velasco, 3, a passenger in the vehicle Thayer's car hit.

Sunday, Oct. 10: Weston Griggs, 17, Vernon Williams Jr., 18, and Marshall Rawlings, 22, were killed when a car Griggs was driving struck a utility pole in Prince William County.

Monday, Oct. 11: Jacob Z. Young, 18, and Sara E. Holland, 16, were killed in Prince George's County when the car Young was driving went out of control and overturned.