The overall road traffic safety of German autobahns is comparable to of other European highways. According to the statistics collected by the International Traffic Safety Data and Analysis Group, there were 2.2 road user fatalities per billion vehicle kilometers on German autobahns in 2008. Neighboring countries with available data include Belgium (4.2 in 2007), the Netherlands (2.1 in 2009), Denmark (2.5), Austria (4.2), Switzerland (1.2), and France (1.8). Using the same statistic, 4.5 fatalities have occurred in the United States on motorways.