16.2 Meters of Precision: Gigantic Cutting Wheel for the BART Silicon Valley Phase II Project

An employee is manufacturing the 16,235-millimeter cutting wheel for the BART Silicon Valley Phase II project at the Herrenknecht plant in Schwanau, Germany. The gigantic EPB Shield “made in Germany” will play a central role in tunnel driving for the expansion of the Bay Area Rapid Transit (BART) system in San José, California.