Stone Mountain Freeway Gwinnett County and have a partial interchange with Park Place Boulevard and Rockbridge Road. Just to the east of this interchange, the freeway ends and US 78/SR 10 continue to the east, locally known as Stone Mountain Highway. West of I-285, the speed limit is . East of the interchange with I-285, the limit rises to . Unlike Georgia's Interstate highways, the highway still has actual sequential exit numbers, rather than being mileage-based. There is no exit 6, which makes the exit numbering non-sequential. All of Stone Mountain Freeway is included as part of the National Highway System, a system
Stone Mountain Freeway interchange is within the city limits of Clarkston. The two highways travels to the north of Clarkston and enter Tucker. They have an interchange with Brockett Road and Cooledge Road and then Mountain Industrial Boulevard. After leaving Tucker, they have an interchange with SR 10 (Memorial Drive). At this interchange, SR 410 meets its eastern terminus, and SR 10 begins a concurrency with US 78 and Stone Mountain Freeway. They have an interchange with SR 236 (Hugh Howell Road). A little bit later is an access road to Stone Mountain Park's main entrance. Right after the park, the highways enter