An Aberdeen man died Thursday in a two-vehicle crash on I-29, four miles north of Sioux Falls, SD.
Preliminary crash information indicates James Alan Knapp, the driver of a 2001 Chevrolet Monte Carlo, was traveling south on Interstate 29 near mile marker 88. The vehicle had come to a complete stop in the driving lane and was struck from behind by an oncoming Peterbilt semi driven by Rambo Saw. The Monte Carlo came to rest in the west ditch.
Knapp died from injuries sustained in the crash. Saw was not injured.
The South Dakota Highway Patrol is investigating the crash. All information released so far is preliminary.
The Highway Patrol is an agency of the South Dakota Department of Public Safety.
In Touch 4/10/26
April 10, 2026
Dr. Erin Fouberg with Northern State joins us to talk about everything going on at Northern and beyond this month…
