Signal problems delayed trains at Union Station during the morning rush hour Friday, Nov. 16, 2012. | John H. White~Sun-Times
Updated: November 16, 2012 8:35AM
In the middle of the Friday morning rush hour, all trains were temporarily stopped at Union Station because of signal problems.
An Amtrak spokesman said the signal problems were fixed and trains were moving again by 8:30 a.m., although commuters can expect delays.