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Names Released In Meade County Fatal Crash

FOR IMMEDIATE RELEASE: Wednesday, June 1, 2022

CONTACT: Tony Mangan, Public Information Officer, 605-280-5648



 Names Released In Meade County Fatal Crash


What:    One-Vehicle Crash

Where:  Interstate 90, mile marker 41

              Five miles west of Piedmont, S.D.

When:   12:50 p.m., Friday, May 27, 2022


Driver: Jolene Iron Boy, 41, Spearfish, S.D., Minor Injuries

Passengers: Darlene Rouillard, Spearfish, S.D., 69, Minor Injuries

                      Coletius Rouillard, Oglala, S.D., 65, Fatal Injuries

Vehicle: 2010 Jeep Grand Cherokee


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. All information released so far is only preliminary.


The Highway Patrol is an agency of the South Dakota Department of Public Safety.




Note: Records of state-reportable crashes are now available at http://www.safesd.gov/  Records should be available about 10 days after the investigation is complete.