GDOT's 124-78 intersection animation 124-78 Fact Sheet Intersection Brochure How to Make a Turn at the intersection of 124-78 Construction Schedule and Known Details (updated May 8, 2019) Construction crews will close the intersection of highways 78 and 124 on Friday night, May 17, 2019 at 10 p.m. and reopen Saturday Morning at 6 a.m. This closure will be necessary to set the overhead signal bridge. Detour will be Highway 78 via Henry Clower Boulevard, Highway 124 via Oak Road and Henry Clower Boulevard. Pittman Construction will have police officers at each detour location as well as barricades. Construction officials are confident they will have the project completed by the end of the year – possibly November 2019. Pedestrians and motorists should use caution while traveling or walking through the construction work zone. Check back regularly to learn the latest information on the construction. Highway 78 and 124 Intersection Project What is a Displaced Left Turn? Construction Equipment Guide's Project Overview City leaders are doing all they can to make this project a success for Snellville residents. For additional information and discussion you may visit the The Conversation. In July 2017, the Georgia Department of Transportation selected a contractor for the intersection improvements at Main Street (U.S. 78) and Scenic Highway (S.R. 124). This page is where you will find the latest information regarding the construction progress. Also, on this page you will find current information about closures and specific activities for the coming weeks. The project will be completed in two phases. The first phase is improvements to Henry Clower Boulevard at either end where Clower meets U.S. 78, and where Henry Clower Blvd. meets Scenic Highway. The second phase is all the improvements to the intersection of U.S. 78 and S.R. 124. The project is anticipated to take 18 to 24 months for completion. Phase 2: 78/124 Intersection Phase 1 - East end of Henry Clower Boulevard. Check back regularly to learn the latest information on the construction. Phase 1 - West end of Henry Clower Boulevard.