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
Pilot Mountain State Park blueberry, huckleberry and grapes. The forests are mainly chestnut oak, Table Mountain pine and pitch pine trees. Wildlife consists of animals that are typical to an eastern woodland environment including the American toad, Carolina wren, white-tailed deer, opossums and raccoons. There are often vultures soaring on the updrafts from Pilot Knob, and may be joined by the occasional common raven which are not common east of the Blue Ridge Mountains The following state parks are within of Pilot Mountain State Park: Pilot Mountain State Park Pilot Mountain State Park is a North Carolina state park in Surry and Yadkin Counties,