A 46-year-old Marietta woman died just before 11 p.m. Dec. 20 in a two-car accident on Johnson Ferry Road near Riverside Drive, Sandy Springs police reported. Ellen Landsman died after her Nissan Murano crossed the center line and struck a Ford Excursion, police said. The driver of the Excursion, Eduardo Jimenez, 42, of Sandy Springs, was in serious condition at Grady Memorial Hospital, police said.