Trans-Gambia Highway Trans-Gambia Highway The Trans-Gambia Highway is the most important road in The Gambia, running across the centre of the nation in a north-south direction. The road is also economically important for Senegal, in which it is designated as the N4 road. The Gambia is an elongated state forming a country that is almost surrounded by Senegal (but not an enclave, as it also borders the Atlantic Ocean). The Gambia almost separates the Casamance region from the remainder of Senegal. The Trans-Gambia Highway provides the most important connection between the two parts of Senegal. As the N4, it runs from Kaolack
The Gambia shares historical roots with many other West African nations in the slave trade, which was the key factor in the placing and keeping of a colony on the Gambia River, first by the Portuguese, during which era it was known as "A Gâmbia". Later, on 25 May 1765, The Gambia was made a part of the British Empire when the government formally assumed control, establishing the Province of Senegambia. In 1965, the Gambia gained independence under the leadership of Dawda Jawara, who ruled until Yahya Jammeh seized power in a bloodless 1994 coup. Adama Barrow became the Gambia's third president