Project began in October 2007
Total cost: About Dh5 billion
Contract 1
Construction of a tunnel stretching from Dalma Street to Corniche area and Mina Port. Also involved the widening of surface roads across seven signalised intersections.
Cost: Dh 3.1 billion.
Opened in December 2012
Contract 2
Construction of two underpasses, one near Khalifa Park and another near 31st Street.
Cost: Dh830 million
Contract 3
Construction of one bridge to Reem Island, and two underpasses.
Cost: Dh820 million
Contract 4
Widening of Al Salam Street from three lanes to four lanes up to the intersection with 19th Street.
Cost: Dh67 million
Source: Municipality of Abu Dhabi City