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Tunnel Projects

GEO-Instruments monitors tunnel construction, existing tunnel conditions, and structures, services, and roads along tunnel alignments. Our tunnel monitoring systems are fully automated.

GEO's Alexandria Team

Waterfront Tunnel Alexandria

SAAX for Tunneling Application

NATJ Round Table

Inclinometer training

Microtunneling at LAX

Monitoring Structures above Tunnel

Tunnels & Structures

Monitoring settlement above tunnel alignment

Tunnelling & Settlement

Tunnel Monitoring

Metro Tunnel

Wireless Logger - in street installation for Piezometer

Tunnel & Piezometers

Installing ATMS prisms on soldier ties

M-Street Excavation

South Portal Sound Wall

Bellevue Tunnel Portal

Rosslyn-station-project

Rosslyn Metro Station

MTA East Side Access Tunnels

MTA East Side Access

Lincoln Tunnel

Lincoln Tunnel

Dulles Airport

Dulles Airport

Expertise