Dubai Metro - longest automated driverless train systemA section of Dubai Metro Red Line with 10 stations opened to the public on 10th September, 2009. Although the original planned opening date was made, Red Line construction is still underway to complete the envisaged 50 km of lines and 31 stations. Add to this the 20 km of Green Line with 22 stations due to open in June, 2010, and the 49 km Purple Line due 2012, and the Dubai Metro becomes the longest automated driverless train system in the world. For construction history of the underground section of Dubai Metro visit tunnelbuilder archive ae/14, and for background visit www.dubaimetro.eu. 37/09.