Tetteh Quarshie Interchange
Encyclopedia
The Tetteh Quarshie Interchange is an overpass
Overpass
An overpass is a bridge, road, railway or similar structure that crosses over another road or railway...

 carrying a six-lane carriageway that links the Liberation Road from 37 military hospital to the Pantang junction through Madina in Accra
Accra
Accra is the capital and largest city of Ghana, with an urban population of 1,658,937 according to the 2000 census. Accra is also the capital of the Greater Accra Region and of the Accra Metropolitan District, with which it is coterminous...

, Ghana
Ghana
Ghana , officially the Republic of Ghana, is a country located in West Africa. It is bordered by Côte d'Ivoire to the west, Burkina Faso to the north, Togo to the east, and the Gulf of Guinea to the south...

. The interchange was commissioned for vehicular use on 27 February 2005 by then president of Ghana, John Kufour.

History

In 2003, the Government of Ghana initiated the expansion of the then Akuafo circle. The circle was the largest roundabout
Roundabout
A roundabout is the name for a road junction in which traffic moves in one direction around a central island. The word dates from the early 20th century. Roundabouts are common in many countries around the world...

 in Ghana. The sod cutting for the project was done by John Kufour on 17 January 2003. The project was to restructure it into an interchange to handle the huge vehicular traffic. The contract for the project was won by Messrs. SONITRA-RCCN Joint Ventures. The interchange was open to vehicular traffic on 27 February 2005 and was completed on 5 May 2005. The interchange was the second to have been built in Ghana, after the Sankara Interchange.

Financing

The interchange cost 8 million cedis (5 million dollars). It was funded by the African Development Bank.

Architecture of the interchange

The interchange includes a bridge on the motorways, three lane dual carriageway
Dual carriageway
A dual carriageway is a class of highway with two carriageways for traffic travelling in opposite directions separated by a central reservation...

. Four loops and four slip boards to ease the movement onto the flyover. Pedestrian crossing, a roundabout for human traffic and four staircases to and from the overhead bridge. Street lightning, vegetation development, drains, kerbs, guardrails and road furniture to add to the aesthetic appearance of the interchange.

Linkages

The interchange is linked to several road networks. The various roads the feed to the interchange bring vehicular traffic from all over Accra. The roads that link to the interchange are the Liberation Road, which brings vehicles from Legon to Accra. There are detours on the six leg interchange from Accra, Legon, Achimota, Tema, Spintex Road and HIPC Junction.
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