After finalizing testing for the new light rail vehicles manufactured by Siemens, the San Francisco Municipal Transportation Agency (SFMTA) will complete modifications before officials hand over documentation to the California Public Utilities Commission later this fall for a safety certification. The California Public Utilities Commission will have nine days from when the transit agency submits its documents to either approve or deny the safety certification.
The transit agency plans to start putting the trains into service 21 days after the commission’s safety certification approval. SFMTA plans to put a three-car N-Judah train first into service. When more trains arrive, transit officials plan to implement a two-car T-Third and run the K-Ingleside separate from the T-Third. The first five vehicles will go into service by the end of the fall.
SFMTA and Siemens tested everything from noise and vibrations to safety, including the trains’ brakes. Another important test was interaction with the automatic train control system, which allows the vehicles to run safely under computer control.
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