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
Wildlife of the Gambia period. This practice has since changed to two or three years rotation. While the agricultural crops grown are sorghum, millet and ground nuts, the tree species retained, within the lands cleared for agricultural use, are the "Acacia albida", baobab, ficus species, winterthorn and African locust "(Parkia biglobosa)". Savanna and the Sahel habitats are of two types. One is the southern Guinea savanna which has rich and dense vegetation of over 50 tree species. The other is the Sudan Savanna which is contiguous to the Guinea savanna on the north bank of the Gambia River. These areas are dry woodlands with