Woman struck Oct. 4 at Custer rest area dies; any helpful hit-and-run leads sought by WSP

  WHATCOM ­— A woman who was injured by a vehicle while standing in the Interstate 5 southbound Custer rest area on Oct. 4 has died, the Washington State Patrol reports.   Cynthia L. Stitt, 68, of Marysville, was struck shortly before 3:30 p.m. by a vehicle that then left the scene. Stitt was taken to St….