Characteristics
Tunnel length : Two parallel tubes, each approx. 4.4 km long
Volume of muck and
spoil material :
1.7 million solid m3
Carriageway : each tunnel tube has two lanes and
a hard shoulder
Clearance : 10.50 m wide, 4.50 m high
Excavated area : 143 - 160 m2
Allowed time for
shell construction :
About 6 years
 
Milestones :  
10 January 2000 : Approval of the project (FEDRO
Swiss Federal Roads Authority)
13 September 2000 : Award of the tunnelling works
October 2000 : Start of main tunnelling works
End of 2006 : End of shell construction
2009 : Opening of Uetliberg Tunnel