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Rail News: Mechanical

BART to pause Bombardier rail-car delivery to address reliability concerns

The pause on deliveries will allow Bombardier time to resolve issues with BART's new cars, including with the on-board automatic train control system.
Photo – BART


Bay Area Rapid Transit (BART) officials yesterday announced that beginning Jan. 8, 2021, the agency will temporarily stop accepting delivery of its newest rail cars from Bombardier Transportation to allow time to address reoccurring car reliability issues.

The pause on delivery — expected to last at least 12 weeks — will allow time for Bombardier to resolve issues with the rail cars, including with the on-board automatic train control system. The new cars routinely stop while in service and will not move until after the train operator reboots the system, resulting in a five-to-10-minute delay, BART officials said in a press release.

In addition, when trains are stopping under wet conditions, the cars’ wheels can develop flat spots. When this occurs, the cars need to be removed from service so that the wheels can be resurfaced, BART officials said.

By Jan. 8, BART is expected to have 290 new rail cars and 618 legacy cars. The agency will have to retire legacy cars to create room for additional rail cars.

The suspended delivery will alleviate rail-car storage constraints at BART’s maintenance yards and allow BART to decommission legacy cars at a slower rate, BART officials said.


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