There is indication that Illinois Department
of Transportation(IDOT) will be working on
I-55/70 between Exit 11 and Exit 15.

If you are traveling South from Chicago on
I-55 or West on I-70 from Effingham, IL then
take the following detour to avoid construction.

I-55 or I-70 to I-270 West.
I-270 West to I-255 South.
I-255 South to Horseshoe Lake Rd(Exit 26)
Turn Left at Stoplight.
At second stoplight Turn Right onto Eastport Plaza Dr.
Follow Eastport Plaza Dr. to third street on Left, Gateway Dr.
Turn Left on Gateway Drive.
Convention Center on right, hotels on Left.

Google link http://goo.gl/jHbD

If you are traveling East on I-70 or already on I-255 North
Take I-255 North to Horseshoe Lake Rd(Exit 26)
Turn Left at Stoplight.
At first stoplight Turn Right onto Eastport Plaza Dr.
Follow Eastport Plaza Dr. to third street on Left, Gateway Dr.
Turn Left on Gateway Drive.
Convention Center on right, hotels on Left.

Google link http://goo.gl/Fqcl