Aug. 25 (UPI) -- An estimated 424 people may die in traffic crashes during the Labor Day holiday period, the unofficial end to summer travel, the National Safety Council said Monday. The nonprofit safety advocate gives a range of 365 to 487 fatalities that will occur from 6 p.m. CDT Friday to 11:59 p.m. Monday, Sept. 1, on Labor Day. The confidence level is 90%. In 2023, there were 495 deaths, with the estimate 455 and the range 377 to 541. NSC doesn't have data from 2024. Since 1995, all but