License details available at https://unsplash.com/license – image is licensed under the Unsplash LicenseFamous crash investigations that changed road safety are the Princess Diana crash and the Ford Pinto investigations. There were also the Kentucky school bus crash and the Tracy Morgan crash. These are the crash investigations that significantly changed road safety for the better. The Princess Diana CrashThe Princess Diana crash in 1997 is one of the most notable crash cases, as it sparked worldwide attention and renewed conversations about vehicle safety. Crash Investigations Have Made Our Roads SaferThere have been unfortunate accidents, but the resulting crash investigations have made our roads safer.