VINCI Infog for Toronto Subway Contract -Cropped form VINCI media release https://www.vinci.com/vinci.nsf/en/press-releases/pages/20221109-1745.htm

VTA BART Phase 2 Single Bore Center Platform - VTA news release

Ghella Bane Nor Blix Tunnel source Ghella media release https://ghella.com/en/media/news/ghella-hands-over-longest-railway-tunnel-nordics-bane-nor

Sevilla SE 40 map - Andalucia via MITMA press release.

Auckland Watercare Central Interceptor Harbour Crossing Tunnel Map (Watercare media release)

source: https://presse-oebb.at/News_Detail.aspx?id=164060&menueid=27021

Faroe islands Suðuroy tunnel proposal Map: my own drawings on Apple Maps.

California HSR Palmdale - Burbank Alternatives - source: California HSR Environmental documents: https://hsr.ca.gov/wp-content/uploads/2022/08/PB_0_Summary_Rev11_Clean_A11Y.pdf

Adur-Worthing Council press release on tunnel proposal 6 Sept 2022

SCG Terratec S48C Samui Island breakthrough Owner of photo Terratec media information