Diverging Diamond Interchange delayed to 2020 August 6, 2019 Clayton Major Projects, McDonough I-75 at state route 20 / exit 218 will be converted into a DDI next year. (Georgia DOT photo) Residents will have to wait a few months longer before the much anticipated diverging diamond interchange breaks ground in... You have reached subscriber-only content. Unlock the full article and get the details! Subscribe today to MHF News. You can cancel at any time. If you are already a subscriber, thank you for your support. Log-in below. Username Password * Remember Me Forgot Password Diverging DiamondGeorgia DOTI-75 Exit 218McDonoughSR 20 / 81Subscription Content
