The original station was partially refurbished in 2002 by Railtrack at a cost of £4 million.
City officials said the station would also be painted and otherwise refurbished.
In 2010, the station was refurbished and partly rebuilt.
In 1999 the station was refurbished at a cost of £2.1 million.
In the following years, the station was entirely refurbished and is now one of the most modern on the network.
The station was refurbished in the 1990s to repair the accumulated wear from a decade of civil disorder.
The station has been refurbished in 2009-2010 and its current version was inaugurated on 16 June 2010.
The station was totally refurbished in 2003 at a cost of $6.1 million.
Recently, the station has been refurbished a new lift installed.
The station itself was refurbished in 1986 with a new booking office.