Watch the cool video, read about the new Crossrail subway tunnel in London will drive 42km of tunnel and cost 18.5 billion pounds sterling. there will be 10 new stops.
This is a cost effective way to add capacity in a densely populated urban environment.
Crossrail’s Tunnel Machine Enters Its Final Leg – Supply Chain 24/7.
Read Crossrail’s sustainability report here. 2014 Sustainability Report
Supply Chain and Logistics 