 Transport in Dubai is controlled by the Roads and Transport Authority ( RTA ) , an agency of the government of Dubai , formed by royal decree in 2005 . The public transport network has in the past faced congestion and reliability issues which a large investment programme has addressed , including over AED 70 billion of improvements planned for completion by 2020 , when the population of the city is projected to exceed 3 @.@ 5 million . In 2009 , according to Dubai Municipality statistics , there were an estimated 1 @,@ 021 @,@ 880 cars in Dubai . In January 2010 , the number of Dubai residents who use public transport stood at 6 % . 
