Luis Carrasquero, Metrolink’s deputy chief operating officer, explains how systems detect and provide warnings during an earthquake at the Pomona station Thursday, Oct. 17, 2024.

Increasing costs and limited input cited by policymakers in their move to defund the Metro A Line extension across county ...

A Union Pacific freight train fatally struck a person on the train tracks between downtown Pomona and Ontario early Tuesday, prompting temporary delays on Metrolink's Riverside line.

Jairo Rodriquez, senior manager of train control on-board systems, left, and Luis Carrasquero, deputy chief operating officer for Metrolink, demonstrate how their systems detect and provide earthquake ...