Metra trains will run on a modified schedule Wednesday as the Chicago area braces for extreme cold, the transit authority announced.
The schedule, posted online, "are designed to provide adequate service for the predicted ridership," according to Metra, while reducing the amount of equipment and rail switch points to avoid service disruptions.
Metra urged riders to leave extra time for travel on Wednesday as temperatures lower than -10 degrees will reduce train speeds to 60 mph.
"Metra’s intent with this modified schedule is to preserve the safety of our passengers during this extreme weather event," a spokesperson said. "Extra personnel will be deployed throughout the event to address mechanical and track issues."
Current forecasts predict wind chill values during the polar blast to dip between -40 and -60 degrees.
Thursday’s Metra schedule is still being determined.