Algeria tunnel project nearly complete

Work on a major tunnel project in Algeria is due for completion shortly. The tunnel will commence carrying traffic during July 2016, although an official inauguration date has not so far been announced. The T4 tunnel will connect Constantine with Skikda and Annaba, which lie to the north and on Algeria’s coast. The 2.5km tunnel forms a section of the East-West highway. To cope with the tricky geological conditions in the area, both umbrella arch and composite roof bolting methods have been used to sup
June 9, 2016 Read time: 1 min
Work on a major tunnel project in Algeria is due for completion shortly. The tunnel will commence carrying traffic during July 2016, although an official inauguration date has not so far been announced.

The T4 tunnel will connect Constantine with Skikda and Annaba, which lie to the north and on Algeria’s coast. The 2.5km tunnel forms a section of the East-West highway.

To cope with the tricky geological conditions in the area, both umbrella arch and composite roof bolting methods have been used to support the tunnel profile during the excavation work.
Road Structures

Related Content

  • Transforming Algeria's road network
    April 4, 2012
    Highway construction work is transforming Algeria, providing the country with a new network of highway quality road connections. Several sections of the new trans-Algerian highway are already complete and carrying traffic, such as the stretch near the town of Setif. When complete the highway will run 1,200km across the north of the country from the border with Morocco in the west to the Tunisian border, passing through 24 provinces. This makes it the biggest highway project ever undertaken in Africa, as wel
    Read More
  • Helsinki's tunnel project
    April 11, 2012
    A novel approach to utilities installation will lengthen the life of Helsinki's streets, reports Mike Woof A major utilities project in Finnish capital Helsinki will offer huge benefits for the city's streets and traffic flow rates in years to come. A new tunnel system is being excavated under Helsinki for the power company Helsingin Energia, although this will be co-owned by the city. Called the Common Utility Tunnel (Meilahti-Pasilak-Käpylä LU2), the excavations form an extensive network spreading out un
    Read More
  • Helsinki's tunnel project
    May 9, 2012
    A novel approach to utilities installation will lengthen the life of Helsinki's streets, reports Mike Woof. A major utilities project in Finnish capital Helsinki will offer huge benefits for the city's streets and traffic flow rates in years to come. A new tunnel system is being excavated under Helsinki for the power company Helsingin Energia, although this will be co-owned by the city. Called the Common Utility Tunnel (Meilahti-Pasilak-Käpylä LU2), the excavations form an extensive network spreading out un
    Read More
  • New tunnel Acapulco Bay in Mexico
    May 25, 2016
    Acapulco is to benefit from a new tunnel route to cut congestion. A new road tunnel close to Acapulco Bay will help cut journey times for drivers in this part of Mexico. Both tourists and locals in Acapulco Bay currently experience long journey times at present, with a key problem being congestion on the 12km route from Juan N Alvarez International Airport to the Acapulco Bay beaches. During peak traffic times the journey along the scenic, winding road around the tip of the Cumbres de Llano Largo Mountain t
    Read More

Highlighted Content