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Keller Springs Underpass Addison Airport Tunnel

Owner:
Client:
Service:
Preliminary design using NATM
Estimated cost: Commencement: Completion date:
Location:
Dallas, TX
United States
Technical data:

Two lane road tunnel, 1650 ft total length, NATM construction under existing runways in mixed face conditions.

Geology description:

Soil, weathered and unweathered Limestone (Austin Chalk).

Geology types:
Categories:
Service areas:
Tunnel and road in use
 Tunnel Profile and Cross Section
Tunnel Portal during Excavation
Tunnel beneath active Runways