Planetizen - Urban Planning News, Jobs, and Education

Big Bertha

October 28, 2015, 9am PDT
At the heart of the financial and deadline challenges facing the $68 billion high-speed rail project are 36 miles of tunneling north of Los Angeles, according to Los Angeles Times analysis that includes interviews with experts on mega-projects.
Los Angeles Times
June 16, 2014, 1pm PDT
Big Alma is one of two boring machines used to tunnel under the streets of San Francisco to construct the new Central Subway to Chinatown. Big Bertha, Seattle's infamous tunnel borer, has been stalled since December. Big Alma emerged on June 11.
The San Francisco Examiner