Italy per 1,000 people) and 4,015,000 goods vehicles circulated on the national road network. The national railway network, state-owned and operated by Rete Ferroviaria Italiana, in 2008 totalled of which is electrified, and on which 4,802 locomotives and railcars run. The national inland waterways network comprised of navigable rivers and channels in 2002. In 2004 there were approximately 30 main airports, including the two hubs of Malpensa International in Milan and Leonardo da Vinci International in Rome, and 43 major seaports, including the seaport of Genoa, the country's largest and second largest in the Mediterranean Sea. In 2005 Italy maintained a
The Holocaust in Italy found there. Italy had a pre-war Jewish population of 40,000 but, through evacuation and refugees, this number increased during the war. Of the estimated 50,000 Jews living in Italy before September 1943, some 8,000 died during the Holocaust, while 40,000 survived. In this, the Italian police and Fascist militia played an integral role as the Germans' accessories. While most Italian concentration camps were police and transit camps, one camp, the Risiera di San Sabba in Trieste, was also an extermination camp. It is estimated that up to 5,000 mostly political prisoners were murdered there. The Holocaust in Italy has received