Southern California: Metrolink’s “Tier 4” locomotive unveiling stopped in its tracks November 20, 2017 Administrator By Christian Monterrosa and Ryan Painter, The Signal; November 19, 2017 Metrolink was set to unveil its brand new Tier… Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Share on WhatsApp (Opens in new window) WhatsApp Share on LinkedIn (Opens in new window) LinkedIn Share on Pinterest (Opens in new window) Pinterest Like this:Like Loading... Continue Reading →