A pedestrian was struck and killed on the Interstate 25 frontage road just west of Frederick in Weld County early Aug. 12.
A 53-year-old Thornton driver in a 2001 Jeep struck James Lutton III, 50, of Thornton on Tipple Parkway on the west side of the road around 5:20 a.m., according to the Colorado State Patrol.
Neither drugs nor alcohol were believed to be factors in the incident, Lewis said. The driver was uninjured and remained on scene.
No other details were immediately available.