A variety of GEOKON instruments have been used for years in many tunnels and subway systems around the world, including those found in most major cities in the USA and subway systems in Seoul, Taipei, Guangzhou, Istanbul, Hong Kong, Singapore and London. The Channel Tunnel as well.

Please contact us with any questions or to request more information regarding GEOKON instrumentation for your tunnel monitoring applications. Or call us at: 1 (603) 448-1562