East-West Highway, Algeria

This motorway crosses Algeria from east to west, a distance of 1216 km, and links all the main cities in the north of the country (Annaba, Constantine, Setif, Algiers, Chlef, Tlemcen, etc.). It is the first motorway in Algeria, with three lanes in each direction, facilitating east-west communication, improving traffic flow and enhancing traffic safety. 

Date : 2015 – Client : Agence Nationale des Autoroutes

Autoroute Est Ouest en Algérie par Mobility

Services provided

Design-build contract.

For the Japanese consortium, Cojaal, responsible for the East section (four twin-tube tunnels with a total length of 10 km).

  • Design and creation of all electromechanical systems.
  • Supervision system.

Technical details

  • HV/LV power (6 substations).
  • Tunnel ventilation (50 booster fans) and inter-tube.
  • Signage.
  • Video (100 cameras).
  • Automatic incident detection.
  • Fire detection.
  • Firefighting network (9 km).
  • Emergency call network.
  • Supervision system for the four tunnels (8,000 I/Os).


The largest road project in Africa.

See all our references