"L" trains near the Blue Line.
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CHICAGO — Riders hoping to take Blue Line "L" trains during the Monday morning rush suffered delays after a switching problem on the Far Northwest Side, according to the CTA.
The mayhem started sometime before 7:45 a.m. after a switching problem at the Rosemont station, which temporarily stopped trains between O'Hare and Rosemont.
Service resumed more than a half hour later with delays, according to the CTA. The service advised travelers to allow extra time.
Customers complained via Twitter that lines were severely backed up at certain stations and that they were looking for alternatives to get to work Monday morning.
The line continued to have minor delays as of about 10 a.m.