Metrolink riders in Redlands should prepare for temporary changes to the Arrow service in early July due to planned safety system testing.
On Tuesday, July 8, and Wednesday, July 9, the last four late-night Arrow trains — Trains 3842, 3843, 3844 and 3845 — will not operate while Metrolink performs required Zero Emission Multiple Unit Positive Train Control testing.
Additional suspensions are scheduled for Wednesday, July 9, and Thursday, July 10, when the first two early-morning Arrow trains — Trains 3800 and 3801 — will also be offline…