Input (grade 13): In 1980, the Italian Grand Prix moved from the high-speed Monza circuit to Imola, as a direct result of 1978's startline pile-up, which claimed the life of the popular Swedish driver Ronnie Peterson.
Output (grade 4): In 1980, the Italian Grand Prix moved from the high-speed Monza circuit to Imola. This was because of a bad crash in 1978.