The Chicago Circle, the nation's worst bottleneck for trucks and one of the worst for automobiles, is slated for a $384-million overhaul that could begin as soon as 2014.
The Illinois Department of Transportation (IDOT) is developing plans to relieve congestion at the 50-year-old, circular interchange, where traffic from three area expressways, including I-90, I-94 and I-290, converge just west of Chicago's Loop.