Mombasa modern period, Mombasa was a key node in the complex and far reaching Indian Ocean trading networks, its key exports then were ivory, millet, sesamum and coconuts. In the late pre-colonial period (late 19th century), it was the metropolis of a plantation society, which became dependent on slave labour (sources contradict whether the city was ever an important place for exporting slaves) but ivory caravans remained a major source of economic prosperity. Mombasa became the major port city of pre-colonial Kenya in the Middle Ages and was used to trade with other African port cities, the Persian Empire, the Arabian
Mombasa–Nairobi Standard Gauge Railway transportation corridor between Tsavo East National Park and Tsavo West National Park. Because they are at ground level, collisions with wildlife occur. The viaducts and embankments elevate the SGR above ground level, allowing wildlife to pass safely underneath. Six underpasses also allow wildlife to move safely beneath the SGR. Passenger trains run between Mombasa Terminus in Miritini and Nairobi Terminus in Syokimau, which is near the Jomo Kenyatta International Airport Freight services are provided between Port Reitz, which is just west of Mombasa Island, and the inland container depot in the Embakasi division of Nairobi. There are nine passenger stations