On May 5, 2007, at Expoland theme park in Osaka, Japan, a 19-year-old woman was killed instantly when a roller coaster car derailed and crashed into a guardrail. Another rider suffered a serious head injury; 18 others suffered minor injuries. How safe are these amusement park rides? Click here for a very informative website on amusement ride safety. Amusement park ride safety is an issue close to home. In April 2007, at a carnival in Middletown, Connecticut, two people suffered minor injuries when the hood of a Tilt-A-Whirl car fell on them.