Mealey's (April 19, 2021, 8:32 AM EDT) -- CHICAGO — The United States on April 14 filed a complaint in intervention in a putative class complaint brought by vision impaired individuals and the American Council of the Blind of Metropolitan Chicago (ACBMC) accusing Chicago of failing to employ pedestrian signals accessible for those with low vision or who are blind; the complaint was filed the same day a federal judge in Illinois granted the United States’ motion to intervene....