The City of Snellville has made some announcements on the official Twitter page for the city regarding significant winter weather concerns:
The Public Works Dept will monitor roads throughout the evening, concentrating efforts on emergency vehicle areas and major thoroughfares.
Follow your local news for warnings and road conditions. For conditions of state routes such as Highways 78 & 124, visit the GA DOT website.
The roads page of the Georgia Department of Transportation website can be found here: http://www.dot.ga.gov/informationcenter/pressroom/Pages/Winternews.aspx