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Crossrail Transforms London Transport to Move Millions

As one of Europe’s largest construction projects, Crossrail will transform rail transport in London, increasing rail capacity in central London by 10%, supporting regeneration and cutting journey times across the capital.

San Francisco completes Central Subway tunnel portal entrance

The identical twin TBMs weighed-in at 750 tons each and were affectionately named Mom Chung — for Dr. Margaret “Mom” Chung, the nation’s first Chinese-American physician — and Big Alma — for San Francisco philanthropist and socialist “Big Alma” de Bretteville Spreckles.

Sound Transit's 2nd tunnel boring finished

Tunneling contractors will now focus on building 15 cross passages between the two tunnels. The overall $1.9 billion project is about halfway complete and scheduled to open in 2016.