Currently more than 300 metres of tunnels on the extension project have been excavated.
However, the cancellation of the north-south extension project on December 14, 2006 may halt those plans.
The extension project will also increase the traffic capacity in the area.
Later in 1975, construction work begins on a runway refurbishment and extension project.
As a result the station infrastructure standards were lower than on older lines and on later extension projects.
In 2007, the mosque went under a fourth extension project which is estimated to last until 2020.
A stone porch with an extension projects from the east wing, providing the main entrance.
This extension project started in April 2012 and is expected to open to the public in late 2016.
In 2007, the school began a major extension project, increasing the size of the school building by over 80%.
In June 1997, an extension project was started to enable the school to become single session in the year 2000.