Grayson, 49, is set to die Nov. 21, within a 30-hour timeframe. He was convicted with three other men for the brutal Feb. 22, 1994, slaying and mutilation of Vicki Lynn DeBlieux.
The crash happened at 3:20 p.m. Saturday on Arnold Road near Prospect Road, about five miles east of Hazel Green, in Madison County, troopers reported.
The crash happened about 11:46 p.m. Friday at the intersection of Interstate 565 and Jordan Lane near the 17 mile marker within the city limits of Huntsville.