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
Bear Mountain State Park park. In 2010, sections of the AT within the park were rebuilt by the New York - New Jersey Trail Conference, with stone steps to handle the 500,000 annual hikers. The Manhattan skyline can be seen from the top of Bear Mountain from about away. Bear Mountain also regularly hosts cross country running events during the fall season. High school cross country teams compete on the course, which mostly consists of paved walkways. Bear Mountain is the location for the County's Championship race as well as the Rockland County Alumni Race, run every year since 1983. Bear Mountain State Park