German trains running after communication outage but questions remain (opens original article in a new tab)

Germany's railway faced a communication system outage causing train halts late Tuesday, with service largely resuming by Wednesday morning but questions remaining about the cause and future prevention measures.

• Germany's railway faced a communication system outage causing train halts late Tuesday
• Deutsche Bahn reported service resumed largely seamlessly by Wednesday morning
• Questions remain about the cause of the outage and calls for emergency mechanisms to prevent future issues