Timeline of African Union of Railways
New lines in East Africa
2007
According to Railway Gazette International of November 2007, East Africa (TZ, KE, ET and UG) are proposing lines aplenty.[1]
Kasese, Uganda to 
Kisangani, DRCongo- Gulu to
Nimule and Juba in Sudan - Pakwach, Uganda to Juba and Wau in Sudan
Garissa, Kenya to 
Addis Abeba in Ethiopia- Lamu to Garissa and Juba again
- Masaka, Uganda to
Biharamulo, Tanzania
Another seven (eight?) routes include:
- Mbamba Bay on Lake Nyasa to Ligunga via Mchuchuma coal mines.
- Ligunga to Mlimba
- Dar-es-Salaam to port of Mtwara
- Tunduma on TZ-ZM border via Sumbawanga and Mpanda to Kigoma
- Uvinza to
Bujumbura, in Burundi - Bagamoyo to Kidomole
- Isaka Dry Port to
Kigali in Rwanda
Gauge unification
Triple gauge for the three main gauges in Africa are a practible solution for mixed gauge tracks.
1000 mm and 1067 mm gauges can be combined as a 4 rail dual gauge with bonus 1435 mm gauge
Triple gauge supports the three main gauges in Africa:
Red: 1,000 mm (3 ft 3 3⁄8 in),
Green: 1,067 mm (3 ft 6 in) and
Blue: 1,435 mm (4 ft 8 1⁄2 in).
The wide separation or the outer pairs of rails (435 mm and 368 mm) provides space for railclips and suits turnout construction.
Red: 1,000 mm (3 ft 3 3⁄8 in),
Green: 1,067 mm (3 ft 6 in) and
Blue: 1,435 mm (4 ft 8 1⁄2 in).
The wide separation or the outer pairs of rails (435 mm and 368 mm) provides space for railclips and suits turnout construction.
Narrow 1,067 mm (3 ft 6 in) gauge and Metre 1,000 mm (3 ft 3 3⁄8 in) gauge are too similar (67mm) to allow third rail dual gauge. Four rails must be used, which creates a third gauge, which may as well be 1,435 mm (4 ft 8 1⁄2 in) gauge.
See also
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