From travelmidwest.com: Thursday, June 16, one westbound lane on Illinois Route 390 between Park Boulevard and I-290 is scheduled to close at 9 p.m. to prepare for a traffic shift on the ramp connecting westbound Illinois Route 390 to westbound I-290. At 1 a.m. on Friday, June 17, a full ramp closure is scheduled and traffic will be detoured via the Meacham Road loop ramp to eastbound Illinois Route 390 and back to the I-290 Interchange where traffic will be able to exit to westbound I-290. All lanes are scheduled to reopen by 5 a.m. on Friday, June 17, ahead of rush hour traffic.
On the Reagan Tollway in Downers Grove: On Thursday, June 16, the center lane on the ramp will close at 9 a.m. and reopen later that day, before closing again at 9 a.m. on Friday, June 17, with the closure continuing for the majority of the weekend. The lane is scheduled to reopen by 7 a.m. on Monday, June 20.