Good question answer
https://www.chegg.com/homework-help/questions-and-answers/asked-design-tunnel-soft-ground-constructed-tunnel-boring-machine-tbm--describe-would-set--q51108244
Some neighbours are noisy
https://www.independent.com.mt/articles/2020-05-03/local-news/Water-tunnel-boring-probable-cause-of-vibrations-keeping-Attard-residents-awake-6736222702
I hope I will get my slice too and not all will be scooped up by European and Chinese companies
https://www.nj.com/coronavirus/2020/05/gateway-rail-tunnel-is-looking-for-a-slice-of-the-coronavirus-stimulus-pie.html
China tunnel construction
http://www.xinhuanet.com/english/2020-05/28/c_139094520.htm
ADAC lancia l’allarme: “7 tunnel italiani poco sicuri”
L’automobile club tedesca ha ispezionato 16 gallerie in tre paesi: 7 su 8 in Italia hanno presentato mancanze sul piano della sicurezza
https://www.ticinonews.ch/estero/adac-lancia-l-allarme-7-tunnel-italiani-poco-sicuri-CG2855114
Switzerland: 2 trains collide in mountain railway tunnel
https://abcnews.go.com/International/wireStory/switzerland-trains-collide-mountain-railway-tunnel-71593048
...oto S.p.A. Costruzioni Generali completed the U-turn of Martina machine, the biggest TBM in the world, and its back-up system in the record time of 15 days.
Sparvo Tunnel, A1 Moto...