Trains on numerous Metra lines were delayed Wednesday due to issues with Positive Train Control systems, the agency said.

Metra commuters could face significant delays during the Wednesday evening rush due to a systemwide positive train control ...

Trains have been delayed on every Metra commuter line in the Chicago area during the Tuesday evening rush, due to a positive train control system outage. Metra officials said, beginning around 5 p.m., ...