Algiers–El Affroun section The 70-kilometer section from Algiers to El Affroun includes one of the five commuter rail services in the Algiers metropolitan area and is double-track and is
electrified (25,000 volt). This section is the busiest in the entirety of SNTF network, with 130 passenger trains a day using the 10-kilometer Algiers–
El Harrach section until the El Harrach
wye. Of the 130 passenger trains using the Algiers–El Harrach section, 58 continue west and use the remainder of the Algiers–El Affroun section.
El Affroun–Oran section The El Affroun–Oran segment is not electrified and is being upgraded from single-track to double-track. In 2015, 77 kilometers between Khemis Miliana and
Chlef and 107 kilometers between
Yellel and Oran have been double-tracked. Bypasses are being constructed to avoid Khemis Miliana and Relizane traffic for through-trains.
Line description The line is flat except for the 50 kilometers between El Affroun and Khemis Miliana where the elevation changes from 100 to 500–250 meters above sea level. A 7-kilometer tunnel is being built to more directly connect the Khemis Miliana and
Oued Djer portion of this segment.
Speeds on the line Average speeds for passenger services on the line are 80–90 km/h. Since 2008, SNTF acquired
DMUs capable of reaching 160 km/h which are expected to reach their top speed on flat double-track segments of the Algiers–Oran line. == References ==