PIEDMONT, S.D. – An Oglala, S.D., man has been identified as the person who died Friday afternoon in a one-vehicle crash west of Piedmont.
Preliminary crash information indicates that a 2010 Jeep Grand Cherokee was westbound on Interstate 90 when it left the roadway to the north, crossed the service road, and eventually vaulted over a berm.
Coletius Rouillard, the 65-year-old passenger, was pronounced dead at the scene. The 41-year-old driver and a 69-year-old passenger, both females from Spearfish, S.D., received minor injuries. All three were wearing seatbelts.
South Dakota’s Highway Patrol is investigating the crash.