Egypt has a rail system that as early as 1854 connected Port Said, Alexandria and Cairo, and that currently goes as far south as Aswan. In Egypt the railway is . After a ferry link up on the Nile, the railway continues in Sudan from Wadi Halfa to Khartoum at the meter gauge; see Northern Africa Railroad Development. This part of the system was started by Lord Kitchener in 1897 when he subjugated the Mahdist uprising. Further railway links go south, the most southern point being Wau.