Voi serves as a marketplace for agricultural and meat products from Taita Hills as well as other surrounding areas.

Voi existed before the arrival of the Portuguese, Arabs and other visitors at the Kenyan Coast [disputed ... see talk section.

The first and oldest station, lies on the Kenya-Uganda Railway which was built by the British between 1895 and 1901 linking the port of Mombasa with Uganda.

They service various routes mainly to residential estates such as Mwakingali, Ikanga, Sikujua, Mabomani, Birikani, Sofia, Kaloleni, Tanzania, Msinga, Kariakoo, Msambweni and Mazeras.

Voi Municipality is divided into six wards: Marungu, Sagalla, Mbololo, Kaloleni, Ngolia, and Kasigau.

To take advantage of its fortuitous proximity to New Mombasa, Voi refocused its resources from agriculture and tourism to the more lucrative pursuit of heavy industry.

Rather than a catastrophe, authorities viewed this event as an opportunity, and excavated a channel leading far inland to Voi.

[citation needed] By the time of the events in the game, Voi has been almost entirely destroyed by ruthless excavation by the Covenant, the invading extraterrestrial enemy of humanity.