Six people died in traffic crashes over the 2021 Memorial Day weekend counting period of 6 p.m., Friday, May 28, through 11:59 p.m., Monday, May 31, 2021. Missouri State Highway Patrol troopers investigated the following over the 2021 Memorial Day holiday weekend: Traffic Statistics Crashes -- 270 Injuries -- 82 Fatalities -- 4 DWI -- 112 Drug ...