SFGTV2 August 31, 2013
Now, they have these machines called moles. Its like a big drill, and it just cuts right through the ground. So theres no more dynamite. And its still a rough job, but its gotten to a point where its a lot safer. In the 70s, we lost a man a mile basically. Here, maybe weve had two or three deaths in the last 20 years, which is too much anyway, but its cut down a lot. Hurwitz city Tunnel Number 3 will be an opportunity to take city tunnel 1 out of operation and rehabilitate it. City Tunnel Number 1 had one valve to shut off the whole tunnel. City tunnel 2 had two parallel valves. City tunnel 3 ...