More than 40 Metra commuter trains that use Chicago’s Union Station were still being impacted by a computer issue from earlier in the morning, officials said.
The extensive delays were caused by problems with Amtrak computer signaling, officials said. The computer system was coming back online, but the delays would continue for a long time, Metra said.
Metra traffic into Union Station is reliant on Amtrak’s computer system, a Metra spokesman said.
All inbound and outbound trains had been stopped about 6:30 p.m. By 7:30 p.m., some trains were moving as Amtrak personnel directed trains, officials said.
At 7:30 p.m., Metra tweeted that Amtrak's "control system is coming back online. It will take approximately 15 minutes for control to restore."
Delays were expected to last through the morning rush.
A spokesman for Amtrak, which owns Union Station, was not immediately available.
This is a developing story. Check back for updates.
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