Metra is the commuter rail system serving the Chicago metropolitan area in the U.S. states of Illinois and Wisconsin, servicing Cook, DuPage, Kane, Lake, McHenry, and Will Counties in northeastern Illinois and the city of Kenosha in southeastern Wisconsin. Numerous Metra lines experienced service interruptions and train cancellations due to outages with the Positive Train Control system on Monday. All trains on the Metra Electric line were halted for a period of time but were eventually restored to service.

Positive Train Control systems are designed to “prevent train-to-train collisions, over-speed derailments, incursions into established work zones and movements of trains through switches left in the wrong position,” according to the U.S. Department of Transportation. PTC technology is legally required to be used on all passenger and freight train lines in the United States. Read more about this story on our LinkedIn page