Moscow – March 29, 2010
Two female suicide bombers blew themselves up during the morning’s hour, killing at least 37 people & wounding 65 more. The explosions, which took place at the Lubyanka station in Central Moscow and the Park Kultury station, were the Russian capital’s first subway terrorist attacks since the last confirmed attacks in 2004.
London – July 7, 2005
Considered London’s worst terrorist attack, the city public transportation system suffered a series of coordinated suicide attacks. The attacks killed 52 people and resulted in injuries to approximately 700 other victims. Three bombers detonated themselves in three of London’s Underground trains, before a fourth explosion occurred on a double-decker bus in Tavistock Square an hour later.
Madrid – March 11, 2004
During the morning attacks in March 11, 2004, 10 explosions took place onboard four commuter trains. A series of coordinated attacks on Madrid’s commuter train system killed 191 people and wounded 1,800. The Spanish Judiciary launched an official investigation & determined the attacks had been carried out by an al Qaeda-inspired terrorist cell. Later, In 2007, Moroccan national Jamal Zougam was found guilty of carrying out the attack.
Moscow – February 6, 2004
A male suicide bomber killed 41 people near the Avtozavodskaya subway station in Mosco, one of Moscow’s most worst subway attacks, Approximately 120 people were injured in the incident on Moscow’s metro.
South Korea – February 18, 2003
Attack on South Korea’s Daegu Metropolitan Subway killed close to 200 people and injured 147. A man set fire to flammable liquid inside the Jungangno station at the tail end of morning rush hour, trapping passengers within the subway carriages.
Paris – July 1995
The worst attack occurred on July 25, 1995 at the Saint-Michel suburban railway (RER) station. Gas bottles that had been packed with explosives and nails were detonated in the station & other explosives were also planted at the Maison Blanche metro and Musée d’Orsay RER stations. Paris’ capital rail system suffered repeated bombing attacks that killed eight people and injured over 200.
Tokyo – March 20, 1995
In five coordinated attacks, members of Aum Shinrikyo released sarin, a toxic nerve agent, inside subway cars on several lines of the Tokyo metro. The sarin attack killed 15 people, severely injured 50, & caused temporary vision problems for thousands more. The incident, which was the most serious attack to occur on Japanese soil since the end of World War II.
(list compiled from livescience.com)