Costain DATA-IS Real-time digital assurance system set to transform installation of tunnel services https://www.costain.com/media/press-releases/2024/real-time-digital-assurance-system-set-to-transform-installation-of-tunnel-services/

EarthGrid Plasma torch source: https://www.prnewswire.com/news-releases/earthgrid-announces-groundbreaking-joint-venture-with-enertech-a-kia-entity-to-deploy-18b-in-us-underground-utility-projects-302250009.html

Herrenknecht Tunnel Enlargement System - Inside the tunnel source: Herrenknecht press release: https://www.herrenknecht.com/en/newsroom/pressreleasedetail/turning-old-into-new-tunnel-enlargement-during-operation/

Herrenknecht Tunnel Enlargement System - Carving source is Herrenknecht Press release : https://www.herrenknecht.com/en/newsroom/pressreleasedetail/turning-old-into-new-tunnel-enlargement-during-operation/

Herrenknecht Tunnel Enlargement System - Train entering tunnel in process of enlargement source is Herrenknecht Press release : https://www.herrenknecht.com/en/newsroom/pressreleasedetail/turning-old-into-new-tunnel-enlargement-during-operation/

Guozi Robotics Smart inspection robots working undersea tunnel SOURCE Zhejiang Guozi Robotics Co., Ltd.

China Railway Tunnel Group CRTG https://www.prnewswire.com/news-releases/intelligent-systems-employed-in-constructing-chinas-deepest-undersea-tunnel-302127657.html

Nye Veier sludge recycling Nye Veier press release

from KraussMaffei' press information https://press.kraussmaffei.com/en/news/from-the-sea-into-the-tunnel-kraussmaffei-customer-oldroyd-uses-100-sea-plastics-for-its-products

from KraussMaffei' press information