Proposed Strønstad tunnel approximate route beneath the Hadselfjord 

The route of Highways England's Lower Thames Crossing image: ClemRutter, CC BY-SA 4.0, via Wikimedia Commons.

Markings (rectangular box) made on original image of BBT-SE to show ARGE H51's responsible area for tunnelling

Tideway TBM Ursula before launch in 2018 (Tideway press release image)

Chennai Metro Phase 2 Map (map by Chennai Metro Rail Limited)

Delhi Metro Rail Corporation Image: Delhi Metro Rail Corporation press release on 22 October 2020. http://delhimetrorail.com/press_reldetails.aspx?id=omhzSqBuxs4lldMetro Phase 4 TBM Lowering.

image is from BAM / BMB JV press release

Burrard Inlet Rapid Transit Study lists crossing options. (image : British Columbia Ministry of Transportation and Infrastructure )