A 21-year-old Lampasas woman was killed in a singlevehicle crash on Monday when authorities said she failed to stop at an intersection.Texas DPS Sgt. Bryan Washko said officers responded to the report of a single-vehicle crash at the intersection of FM 580 East and County Road 3040 at 7:29 a.m., where they found a car had traveled off the roadway and crashed into a tree.Paulina Carbajal Angel of…