Dubai Trolley is a tram system in Downtown Dubai. It includes a number of trams specially designed for Emaar Properties, with an operational speed of 10 km per hour. The trolleys are double-decker and can convey 50 passengers, who can ride on the open deck or the air-conditioned seating. They convey passengers free of charge. The Dubai Trolley project was announced by Emaar Properties on 23 April 2008, with opening proposed for the end of 2009.[2] The total cost was put at AED 500 million.[3] The line on which the Dubai Trolleys travel will be built in three phases which will form a 7 km loop around Downtown Dubai.[1] As of 2019, Dubai Trolley is out of operation. Poles are located at tracks, tram vehicle number one is displayed to public in the street, depot is used as commercial area.