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.

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.

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

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 ...