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  • International Database and Gallery of Structures

Grouft Tunnel

General Information

Structural Type: Tunnel
Function / usage: Road tunnel
Built: 2005 - 2009
Duration of works: 54 months
Status: in use

Geographic Information & Related Structures

Location: Blaschette, Luxembourg, Europe
For
  • Autoroute A7 [Luxembourg]
Part of:

Technical Information

Dimensions

length 2 966 m
tunnel section area 117.0 m2 - 164.10 m2
number of tubes 2
longitudinal slope 4.5 %
tube 1 number of lanes 2
roadway / carriageway width 7 m
tube 2 number of lanes 3
roadway / carriageway width 10.5 m

Quantities

concrete volume 85 000 m3
volume of extracted material 680 000 m3
water proofing 190 000 m2
shotcrete 75 000 m3

Cost

cost of construction Euro 171 000 000