Metro Tunnel

Tunnel Monitoring

AMTS in Tunnel

Bethesda, MD

GEO's deployed an automated monitoring system in a WMATA tunnel. The system included strain gages, convergence gauges, tiltmeters, vibration monitors, and AMTS.

The AMTS and prisms are clearly visible in the photo on the right. Also visible is one of the eight vibration monitors and wall-mounted geophones.