Dubai Metro, United Arab Emirates

Under construction
Green Line: 20 kilometres (12 mi) line with 22 stations from Festival City, through the city centre, Dubai International Airport Terminal 2 and the Airport Free Zone. Originally slated to be 17 km, the line length was increased by 5 km to 22.5 km, and the opening date has been delayed from March 2010 to August 2011. As of October 2010, tracklaying was complete, and there had been a trial run.