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Architecture & Engineering

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June 21, 2022

California tests train earthquake alerts

LOS ANGELES (AP) — A Southern California regional passenger rail service is testing technology that will use the West Coast's earthquake early warning system to automatically slow or stop trains before shaking begins.

The five-county Metrolink system said Thursday that the technology is an advancement of a previous version that sends automated messages instructing train crews to slow or stop but does not have automated braking.

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