Starting this weekend, the Dempster and Grove Street viaducts will be replaced, with work beginning on Friday, June 22 and concluding on Tuesday, June 26. The new viaducts will tentatively be put into place on Saturday, June 23 between 4:00 and 7:00 p.m.

Starting at 8:30 p.m. on Friday, June 22, the CTA will shut down the trains running between the Howard and Davis L stops. CTA buses will service this area until the CTA Purple Line resumes service at 4:30 a.m. on Monday, June 25. The shuttles will depart from the Howard and Davis stations approximately every 5-15 minutes and will operate during the same hours of operation as the Purple Line.

Dempster St., between Chicago Ave. and Sherman Ave., will closed starting at 7 a.m. Friday, June 22 until 5 p.m. on Tuesday, June 26. Grove St. will also be closed, between Sherman Ave. and Elmwood Ave., starting at 7 a.m. Friday until 7 a.m. on Monday, June 25.