TBM Bertha, used for opening the tunnel in the Alaskan Way Viaduct Replacement Project is on the move again, after major overheating problems that caused the machine to remain still for more than a year. The machine is expected to reach an access pit so that crews can perform necessary repairs. 

Alice, the Tunnel Boring Machine that has been digging underneath Auckland's western suburbs for 10 months has finally broken into daylight! This is New Zealand's longest road tunnel that will be connecting Auckland's Southwestern and Northwestern motorways, as part of the Waterview Connection Project. Watch the video below, which captures the moment of Alice's appearance.

The Indian capital can be now considered, on a global scale, as one the cities where the largest tunneling project has ever been undertaken. According to the Delhi Metro officials this is not an understatement considering the 19 Tunnel Boring Machines (TBM) that are simultaneously working underneath the city. Phase III of the metro expansion is expected to complete by the end of the year. 

The new crossrail, named after Queen Elizabeth, which features a marathon of brand new tunnels beneath the streets of London will open by the end of 2018.

The construction of a 153-meter long metro tunnel below the Mithi River in Mumbai has begun.

Norway plans to invest in floating tunnel technology in order to facilitate motorists' transportation.

Elon Musk, CEO of Tesla Motors, has invented a futuristic solution to end urban traffic.

A leak in a cross passage between twin-bored tunnels has led to a ground collapse in Perth's Forrestfield Airport railway, Australia.

Following Elon Musk's attempt to introduce underground transportation systems a question is raised. Is tunneling safe in Los Angeles?