Railway specifications Addis Ababa–Djibouti Railway

the addis ababa–djibouti railway based on chinese national railway class 2 standard. however, explicit demand ethiopian railway corporation, changes made , adapted, not fit chinese standard.

gauge: standard gauge
couplers: janney aar
brakes: air
electrification: overhead catenary 25 kv ac / 50 hz
target speed (passenger): 120 km/h (75 mph)
target speed (freight): 80 km/h (50 mph)
maximum train load (freight): 4,000 tonnes (3,900 long tons; 4,400 short tons) gross
designed transport capacity: 20 million tonnes annually
gross transport capacity: 24.9 million tonnes annually (taking double-track sections account)
minimum railway curve radius: 800 m (2,600 ft) (600 m or 2,000 ft @ difficult locations)
maximum (ruling) gradient:1.85 %
length of arrival & departure track @ passing loops: 850 m (dual locomotive: 880 m) [resulting max. train length ~800 m]
maximum vehicle loading gauge height: 5300 mm
trains run on the: left
railway signalling & train protection system: etcs-2 sil4
level crossings: permitted (no full grade separation)

the single-track section equipped passing loops 3 lines. often, passing loops present @ location of train stations. total length of passing loops designed 1100 m.

the railway line electrified. power transmitted @ 230 kv , 130 kv 8 substations. traction power supplied @ 35.8 km intervals, 18+1 stations in ethiopia , 3 in djibouti.

general electrification ends after djibouti–nagad passenger station in direction of port of doraleh. same true trunk lines dry ports , dry ports akaki-kaliti cargo terminals. necessary due interference of overhead catenary loading / unloading cranes. electric locomotives on sections replaced diesel power shunting locomotives.