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
Pinnacle Mountain State Park is allowed at Maumelle Park, a nearby public campground operated by the U.S. Army Corps of Engineers. Pinnacle Mountain State Park Pinnacle Mountain State Park is a 2,356-acre state park located in Pulaski County, Arkansas just outside of Little Rock. The main attraction is Pinnacle Mountain, an iconic landmark surrounded by the bottomlands of the Big Maumelle and Little Maumelle rivers. The first people to settle the area referred to Pinnacle Mountain as "Mamelle", the French name for a breast-shaped hill. "Mamelle" eventually became "Maumelle", which is the name used for the Big Maumelle and Little Maumelle rivers, as well