2 Weber County couples killed in plane crash on I-15

RIVERDALE, Weber County — Two couples from Weber County died Wednesday when a small plane crashed down onto I-15 in Riverdale, snarling freeway traffic for hours.Layne and Diana Clarke, ages 48 and 46, of Taylor, were killed in the crash along with Perry and Sarah Huffaker, ages 45 and 42, of West Haven, the Utah Department of Public Safety reported.Officials have not yet identified who was flying the plane.The Beech A36 Bonanza that the couples were flying in took off from Ogden-Hinckley