The technology that runs all Metro trains along the Red Line — transporting thousands of people every day — needs to be updated to prevent major reliability problems in the future, according to Metro General Manager Randy Clarke.

"If you get into major reliability problems years from now, that's going to be more people stuck in tunnels; that's going to be more trains not moving. It's going to be anxiety when people can't move," Clarke said.

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For those who remember Radio Shack, the control room components may look familiar.

Metro compared the scale of the renovations needed on the Red Line to switching from an eight-track tape to a streaming service. Metro Chief Infrastructure Officer Theresa Impastato said they have to

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