[2] The widening of roads in the old districts of Manama and the development of a national network linking the capital to other settlements commenced as early as the arrival of the first car in 1914.
[3] The continuous increase in the number of cars from 395 in 1944,< A series of ring roads were constructed (Isa al Kabeer avenue in the 1930s, Exhibition avenue in the 1960s and Al Fateh highway in the 1980s[3]), to push back the coastline and extend the city area in belt-like forms.
[3] To the south of Manama, roads connected groves, lagoons and marshes of Hoora, Adliya, Gudaibiya and Juffair.
To the west, a major [[higref name=Yasser/> to 3,379 in 1954 and to 18,372 cars in 1970[3] caused urban development to primarily focus on expanding the road network, widening carriageways and the establishment of more parking spaces.
[8] In August 2018, Al-Ayam reported that transportation officials in Bahrain were looking for "bids to fund a new metro railway system in the fourth quarter of 2019."
The project is to be completed in four phases over four years and cost $1–2 billion, as a joint venture between the public and private sector.
Along with private funders, it will be funded by the Ministry of Transportation in KSA and King Fahad Causeway Authority.