The reaction to these tragedies towards the sport itself was stunning. Not only had two drivers been killed, one being a triple World Champion, but these were the first fatalities in eight years, and the first at a race meeting in twelve years. Fatalities up until the end of the 1982 season were commonplace; 1 or 2 drivers were killed every season. Much stronger and more efficient materials (such as carbon fibre) in the cars' construction and an increase in track and driver safety over the years meant that fatalities became considerably less frequent. , aside from Senna and Ratzenberger, the only other F1-related fatalities since 1983 were Elio de Angelis during a test session at Circuit Paul Ricard in 1986, and Jules Bianchi during the 2014 Japanese Grand Prix. Minor injuries were usually the worst a driver received in even big accidents, such as Nelson Piquet's accident in 1987 and Gerhard Berger's in 1989. But after this disastrous 1994 event, many circuits were temporarily modified during the season to make them slower, particularly the fearsome Eau Rouge corner at the Spa-Francorchamps circuit in Belgium, which was made into a temporary chicane. The regulations for the cars' design were changed throughout the season, and a raft of changes were to follow for the next season.